1873125

素因数分解:

$3^4\times 5^4\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 50

約数和(自身を含む): 3591038

約数和(自身を除く): 1717913

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 125, 135, 185, 225, 333, 375, 405, 555, 625, 675, 925, 999, 1125, 1665, 1875, 2025, 2775, 2997, 3375, 4625, 4995, 5625, 8325, 10125, 13875, 14985, 16875, 23125, 24975, 41625, 50625, 69375, 74925, 124875, 208125, 374625, 624375, 1873125]

約数ペア:

[(1, 1873125), (3, 624375), (5, 374625), (9, 208125), (15, 124875), (25, 74925), (27, 69375), (37, 50625), (45, 41625), (75, 24975), (81, 23125), (111, 16875), (125, 14985), (135, 13875), (185, 10125), (225, 8325), (333, 5625), (375, 4995), (405, 4625), (555, 3375), (625, 2997), (675, 2775), (925, 2025), (999, 1875), (1125, 1665)]