658125

素因数分解:

$3^4\times 5^4\times {\mathrm{13}}^1$

素因数の和:45

約数の個数: 50

約数和(自身を含む): 1323014

約数和(自身を除く): 664889

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 325, 351, 375, 405, 585, 625, 675, 975, 1053, 1125, 1625, 1755, 1875, 2025, 2925, 3375, 4875, 5265, 5625, 8125, 8775, 10125, 14625, 16875, 24375, 26325, 43875, 50625, 73125, 131625, 219375, 658125]

約数ペア:

[(1, 658125), (3, 219375), (5, 131625), (9, 73125), (13, 50625), (15, 43875), (25, 26325), (27, 24375), (39, 16875), (45, 14625), (65, 10125), (75, 8775), (81, 8125), (117, 5625), (125, 5265), (135, 4875), (195, 3375), (225, 2925), (325, 2025), (351, 1875), (375, 1755), (405, 1625), (585, 1125), (625, 1053), (675, 975)]