90409725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 186863040

約数和(自身を除く): 96453315

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 137, 175, 225, 315, 411, 419, 525, 685, 959, 1233, 1257, 1575, 2055, 2095, 2877, 2933, 3425, 3771, 4795, 6165, 6285, 8631, 8799, 10275, 10475, 14385, 14665, 18855, 23975, 26397, 30825, 31425, 43155, 43995, 57403, 71925, 73325, 94275, 131985, 172209, 215775, 219975, 287015, 401821, 516627, 659925, 861045, 1205463, 1435075, 2009105, 2583135, 3616389, 4305225, 6027315, 10045525, 12915675, 18081945, 30136575, 90409725]

約数ペア:

[(1, 90409725), (3, 30136575), (5, 18081945), (7, 12915675), (9, 10045525), (15, 6027315), (21, 4305225), (25, 3616389), (35, 2583135), (45, 2009105), (63, 1435075), (75, 1205463), (105, 861045), (137, 659925), (175, 516627), (225, 401821), (315, 287015), (411, 219975), (419, 215775), (525, 172209), (685, 131985), (959, 94275), (1233, 73325), (1257, 71925), (1575, 57403), (2055, 43995), (2095, 43155), (2877, 31425), (2933, 30825), (3425, 26397), (3771, 23975), (4795, 18855), (6165, 14665), (6285, 14385), (8631, 10475), (8799, 10275)]