128274435

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 251741952

約数和(自身を除く): 123467517

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 81, 85, 93, 135, 153, 155, 255, 279, 405, 459, 465, 527, 601, 765, 837, 1377, 1395, 1581, 1803, 2295, 2511, 2635, 3005, 4185, 4743, 5409, 6885, 7905, 9015, 10217, 12555, 14229, 16227, 18631, 23715, 27045, 30651, 42687, 48681, 51085, 55893, 71145, 81135, 91953, 93155, 153255, 167679, 213435, 243405, 275859, 279465, 316727, 459765, 503037, 827577, 838395, 950181, 1379295, 1509111, 1583635, 2515185, 2850543, 4137885, 4750905, 7545555, 8551629, 14252715, 25654887, 42758145, 128274435]

約数ペア:

[(1, 128274435), (3, 42758145), (5, 25654887), (9, 14252715), (15, 8551629), (17, 7545555), (27, 4750905), (31, 4137885), (45, 2850543), (51, 2515185), (81, 1583635), (85, 1509111), (93, 1379295), (135, 950181), (153, 838395), (155, 827577), (255, 503037), (279, 459765), (405, 316727), (459, 279465), (465, 275859), (527, 243405), (601, 213435), (765, 167679), (837, 153255), (1377, 93155), (1395, 91953), (1581, 81135), (1803, 71145), (2295, 55893), (2511, 51085), (2635, 48681), (3005, 42687), (4185, 30651), (4743, 27045), (5409, 23715), (6885, 18631), (7905, 16227), (9015, 14229), (10217, 12555)]