28096875

素因数分解:

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

素因数の和:77

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 25930917

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 125, 135, 185, 225, 243, 333, 375, 405, 555, 625, 675, 925, 999, 1125, 1215, 1665, 1875, 2025, 2775, 2997, 3125, 3375, 4625, 4995, 5625, 6075, 8325, 8991, 9375, 10125, 13875, 14985, 16875, 23125, 24975, 28125, 30375, 41625, 44955, 50625, 69375, 74925, 84375, 115625, 124875, 151875, 208125, 224775, 253125, 346875, 374625, 624375, 759375, 1040625, 1123875, 1873125, 3121875, 5619375, 9365625, 28096875]

約数ペア:

[(1, 28096875), (3, 9365625), (5, 5619375), (9, 3121875), (15, 1873125), (25, 1123875), (27, 1040625), (37, 759375), (45, 624375), (75, 374625), (81, 346875), (111, 253125), (125, 224775), (135, 208125), (185, 151875), (225, 124875), (243, 115625), (333, 84375), (375, 74925), (405, 69375), (555, 50625), (625, 44955), (675, 41625), (925, 30375), (999, 28125), (1125, 24975), (1215, 23125), (1665, 16875), (1875, 14985), (2025, 13875), (2775, 10125), (2997, 9375), (3125, 8991), (3375, 8325), (4625, 6075), (4995, 5625)]