71913375

素因数分解:

$3^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 131171040

約数和(自身を除く): 59257665

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 125, 225, 291, 375, 485, 659, 873, 1125, 1455, 1977, 2425, 3295, 4365, 5931, 7275, 9885, 12125, 16475, 21825, 29655, 36375, 49425, 63923, 82375, 109125, 148275, 191769, 247125, 319615, 575307, 741375, 958845, 1598075, 2876535, 4794225, 7990375, 14382675, 23971125, 71913375]

約数ペア:

[(1, 71913375), (3, 23971125), (5, 14382675), (9, 7990375), (15, 4794225), (25, 2876535), (45, 1598075), (75, 958845), (97, 741375), (125, 575307), (225, 319615), (291, 247125), (375, 191769), (485, 148275), (659, 109125), (873, 82375), (1125, 63923), (1455, 49425), (1977, 36375), (2425, 29655), (3295, 21825), (4365, 16475), (5931, 12125), (7275, 9885)]