17942085

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 36990720

約数和(自身を除く): 19048635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 103, 105, 147, 237, 245, 309, 315, 395, 441, 515, 553, 711, 721, 735, 927, 1185, 1545, 1659, 2163, 2205, 2765, 3555, 3605, 3871, 4635, 4977, 5047, 6489, 8137, 8295, 10815, 11613, 15141, 19355, 24411, 24885, 25235, 32445, 34839, 40685, 45423, 56959, 58065, 73233, 75705, 122055, 170877, 174195, 227115, 284795, 366165, 398713, 512631, 854385, 1196139, 1993565, 2563155, 3588417, 5980695, 17942085]

約数ペア:

[(1, 17942085), (3, 5980695), (5, 3588417), (7, 2563155), (9, 1993565), (15, 1196139), (21, 854385), (35, 512631), (45, 398713), (49, 366165), (63, 284795), (79, 227115), (103, 174195), (105, 170877), (147, 122055), (237, 75705), (245, 73233), (309, 58065), (315, 56959), (395, 45423), (441, 40685), (515, 34839), (553, 32445), (711, 25235), (721, 24885), (735, 24411), (927, 19355), (1185, 15141), (1545, 11613), (1659, 10815), (2163, 8295), (2205, 8137), (2765, 6489), (3555, 5047), (3605, 4977), (3871, 4635)]