82819725

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 141133824

約数和(自身を除く): 58314099

約数列:

[1, 3, 5, 15, 25, 71, 75, 103, 151, 213, 309, 355, 453, 515, 755, 1065, 1545, 1775, 2265, 2575, 3775, 5325, 7313, 7725, 10721, 11325, 15553, 21939, 32163, 36565, 46659, 53605, 77765, 109695, 160815, 182825, 233295, 268025, 388825, 548475, 804075, 1104263, 1166475, 3312789, 5521315, 16563945, 27606575, 82819725]

約数ペア:

[(1, 82819725), (3, 27606575), (5, 16563945), (15, 5521315), (25, 3312789), (71, 1166475), (75, 1104263), (103, 804075), (151, 548475), (213, 388825), (309, 268025), (355, 233295), (453, 182825), (515, 160815), (755, 109695), (1065, 77765), (1545, 53605), (1775, 46659), (2265, 36565), (2575, 32163), (3775, 21939), (5325, 15553), (7313, 11325), (7725, 10721)]