81646002

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 210124800

約数和(自身を除く): 128478798

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 31, 34, 38, 51, 54, 57, 62, 93, 102, 114, 151, 153, 171, 186, 279, 302, 306, 323, 342, 453, 459, 513, 527, 558, 589, 646, 837, 906, 918, 969, 1026, 1054, 1178, 1359, 1581, 1674, 1767, 1938, 2567, 2718, 2869, 2907, 3162, 3534, 4077, 4681, 4743, 5134, 5301, 5738, 5814, 7701, 8154, 8607, 8721, 9362, 9486, 10013, 10602, 14043, 14229, 15402, 15903, 17214, 17442, 20026, 23103, 25821, 28086, 28458, 30039, 31806, 42129, 46206, 48773, 51642, 60078, 69309, 77463, 79577, 84258, 88939, 90117, 97546, 126387, 138618, 146319, 154926, 159154, 177878, 180234, 238731, 252774, 266817, 270351, 292638, 438957, 477462, 533634, 540702, 716193, 800451, 877914, 1316871, 1432386, 1511963, 1600902, 2148579, 2401353, 2633742, 3023926, 4297158, 4535889, 4802706, 9071778, 13607667, 27215334, 40823001, 81646002]

約数ペア:

[(1, 81646002), (2, 40823001), (3, 27215334), (6, 13607667), (9, 9071778), (17, 4802706), (18, 4535889), (19, 4297158), (27, 3023926), (31, 2633742), (34, 2401353), (38, 2148579), (51, 1600902), (54, 1511963), (57, 1432386), (62, 1316871), (93, 877914), (102, 800451), (114, 716193), (151, 540702), (153, 533634), (171, 477462), (186, 438957), (279, 292638), (302, 270351), (306, 266817), (323, 252774), (342, 238731), (453, 180234), (459, 177878), (513, 159154), (527, 154926), (558, 146319), (589, 138618), (646, 126387), (837, 97546), (906, 90117), (918, 88939), (969, 84258), (1026, 79577), (1054, 77463), (1178, 69309), (1359, 60078), (1581, 51642), (1674, 48773), (1767, 46206), (1938, 42129), (2567, 31806), (2718, 30039), (2869, 28458), (2907, 28086), (3162, 25821), (3534, 23103), (4077, 20026), (4681, 17442), (4743, 17214), (5134, 15903), (5301, 15402), (5738, 14229), (5814, 14043), (7701, 10602), (8154, 10013), (8607, 9486), (8721, 9362)]