7987725

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 14469312

約数和(自身を除く): 6481587

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 271, 393, 655, 813, 1179, 1355, 1965, 2439, 3275, 4065, 5895, 6775, 9825, 12195, 20325, 29475, 35501, 60975, 106503, 177505, 319509, 532515, 887525, 1597545, 2662575, 7987725]

約数ペア:

[(1, 7987725), (3, 2662575), (5, 1597545), (9, 887525), (15, 532515), (25, 319509), (45, 177505), (75, 106503), (131, 60975), (225, 35501), (271, 29475), (393, 20325), (655, 12195), (813, 9825), (1179, 6775), (1355, 5895), (1965, 4065), (2439, 3275)]