9871875

素因数分解:

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

素因数の和:53

約数の個数: 72

約数和(自身を含む): 19904976

約数和(自身を除く): 10033101

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 243, 325, 351, 375, 405, 585, 625, 675, 975, 1053, 1125, 1215, 1625, 1755, 1875, 2025, 2925, 3125, 3159, 3375, 4875, 5265, 5625, 6075, 8125, 8775, 9375, 10125, 14625, 15795, 16875, 24375, 26325, 28125, 30375, 40625, 43875, 50625, 73125, 78975, 84375, 121875, 131625, 151875, 219375, 253125, 365625, 394875, 658125, 759375, 1096875, 1974375, 3290625, 9871875]

約数ペア:

[(1, 9871875), (3, 3290625), (5, 1974375), (9, 1096875), (13, 759375), (15, 658125), (25, 394875), (27, 365625), (39, 253125), (45, 219375), (65, 151875), (75, 131625), (81, 121875), (117, 84375), (125, 78975), (135, 73125), (195, 50625), (225, 43875), (243, 40625), (325, 30375), (351, 28125), (375, 26325), (405, 24375), (585, 16875), (625, 15795), (675, 14625), (975, 10125), (1053, 9375), (1125, 8775), (1215, 8125), (1625, 6075), (1755, 5625), (1875, 5265), (2025, 4875), (2925, 3375), (3125, 3159)]