2489175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 5145504

約数和(自身を除く): 2656329

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 37, 39, 45, 65, 69, 75, 111, 115, 117, 185, 195, 207, 225, 299, 325, 333, 345, 481, 555, 575, 585, 851, 897, 925, 975, 1035, 1443, 1495, 1665, 1725, 2405, 2553, 2691, 2775, 2925, 4255, 4329, 4485, 5175, 7215, 7475, 7659, 8325, 11063, 12025, 12765, 13455, 21275, 21645, 22425, 33189, 36075, 38295, 55315, 63825, 67275, 99567, 108225, 165945, 191475, 276575, 497835, 829725, 2489175]

約数ペア:

[(1, 2489175), (3, 829725), (5, 497835), (9, 276575), (13, 191475), (15, 165945), (23, 108225), (25, 99567), (37, 67275), (39, 63825), (45, 55315), (65, 38295), (69, 36075), (75, 33189), (111, 22425), (115, 21645), (117, 21275), (185, 13455), (195, 12765), (207, 12025), (225, 11063), (299, 8325), (325, 7659), (333, 7475), (345, 7215), (481, 5175), (555, 4485), (575, 4329), (585, 4255), (851, 2925), (897, 2775), (925, 2691), (975, 2553), (1035, 2405), (1443, 1725), (1495, 1665)]