90420501

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 131068800

約数和(自身を除く): 40648299

約数列:

[1, 3, 17, 51, 73, 149, 163, 219, 447, 489, 1241, 2533, 2771, 3723, 7599, 8313, 10877, 11899, 24287, 32631, 35697, 72861, 184909, 202283, 412879, 554727, 606849, 1238637, 1772951, 5318853, 30140167, 90420501]

約数ペア:

[(1, 90420501), (3, 30140167), (17, 5318853), (51, 1772951), (73, 1238637), (149, 606849), (163, 554727), (219, 412879), (447, 202283), (489, 184909), (1241, 72861), (2533, 35697), (2771, 32631), (3723, 24287), (7599, 11899), (8313, 10877)]