16916445

素因数分解:

$3^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:63

約数の個数: 128

約数和(自身を含む): 39674880

約数和(自身を除く): 22758435

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 27, 35, 39, 45, 51, 63, 65, 81, 85, 91, 105, 117, 119, 135, 153, 189, 195, 221, 243, 255, 273, 315, 351, 357, 405, 455, 459, 567, 585, 595, 663, 729, 765, 819, 945, 1053, 1071, 1105, 1215, 1365, 1377, 1547, 1701, 1755, 1785, 1989, 2187, 2295, 2457, 2835, 3159, 3213, 3315, 3645, 4095, 4131, 4641, 5103, 5265, 5355, 5967, 6885, 7371, 7735, 8505, 9477, 9639, 9945, 10935, 12285, 12393, 13923, 15309, 15795, 16065, 17901, 20655, 22113, 23205, 25515, 28431, 28917, 29835, 36855, 37179, 41769, 47385, 48195, 53703, 61965, 66339, 69615, 76545, 86751, 89505, 110565, 125307, 142155, 144585, 161109, 185895, 199017, 208845, 260253, 268515, 331695, 375921, 433755, 483327, 626535, 805545, 995085, 1127763, 1301265, 1879605, 2416635, 3383289, 5638815, 16916445]

約数ペア:

[(1, 16916445), (3, 5638815), (5, 3383289), (7, 2416635), (9, 1879605), (13, 1301265), (15, 1127763), (17, 995085), (21, 805545), (27, 626535), (35, 483327), (39, 433755), (45, 375921), (51, 331695), (63, 268515), (65, 260253), (81, 208845), (85, 199017), (91, 185895), (105, 161109), (117, 144585), (119, 142155), (135, 125307), (153, 110565), (189, 89505), (195, 86751), (221, 76545), (243, 69615), (255, 66339), (273, 61965), (315, 53703), (351, 48195), (357, 47385), (405, 41769), (455, 37179), (459, 36855), (567, 29835), (585, 28917), (595, 28431), (663, 25515), (729, 23205), (765, 22113), (819, 20655), (945, 17901), (1053, 16065), (1071, 15795), (1105, 15309), (1215, 13923), (1365, 12393), (1377, 12285), (1547, 10935), (1701, 9945), (1755, 9639), (1785, 9477), (1989, 8505), (2187, 7735), (2295, 7371), (2457, 6885), (2835, 5967), (3159, 5355), (3213, 5265), (3315, 5103), (3645, 4641), (4095, 4131)]