1623375

素因数分解:

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

素因数の和:74

約数の個数: 64

約数和(自身を含む): 3319680

約数和(自身を除く): 1696305

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 37, 39, 45, 65, 75, 111, 117, 125, 135, 185, 195, 225, 325, 333, 351, 375, 481, 555, 585, 675, 925, 975, 999, 1125, 1443, 1625, 1665, 1755, 2405, 2775, 2925, 3375, 4329, 4625, 4875, 4995, 7215, 8325, 8775, 12025, 12987, 13875, 14625, 21645, 24975, 36075, 41625, 43875, 60125, 64935, 108225, 124875, 180375, 324675, 541125, 1623375]

約数ペア:

[(1, 1623375), (3, 541125), (5, 324675), (9, 180375), (13, 124875), (15, 108225), (25, 64935), (27, 60125), (37, 43875), (39, 41625), (45, 36075), (65, 24975), (75, 21645), (111, 14625), (117, 13875), (125, 12987), (135, 12025), (185, 8775), (195, 8325), (225, 7215), (325, 4995), (333, 4875), (351, 4625), (375, 4329), (481, 3375), (555, 2925), (585, 2775), (675, 2405), (925, 1755), (975, 1665), (999, 1625), (1125, 1443)]