90889875

素因数分解:

$3^2\times 5^3\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 165144096

約数和(自身を除く): 74254221

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 173, 225, 375, 467, 519, 865, 1125, 1401, 1557, 2335, 2595, 4203, 4325, 7005, 7785, 11675, 12975, 21015, 21625, 35025, 38925, 58375, 64875, 80791, 105075, 175125, 194625, 242373, 403955, 525375, 727119, 1211865, 2019775, 3635595, 6059325, 10098875, 18177975, 30296625, 90889875]

約数ペア:

[(1, 90889875), (3, 30296625), (5, 18177975), (9, 10098875), (15, 6059325), (25, 3635595), (45, 2019775), (75, 1211865), (125, 727119), (173, 525375), (225, 403955), (375, 242373), (467, 194625), (519, 175125), (865, 105075), (1125, 80791), (1401, 64875), (1557, 58375), (2335, 38925), (2595, 35025), (4203, 21625), (4325, 21015), (7005, 12975), (7785, 11675)]