17680005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 36702720

約数和(自身を除く): 19022715

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 105, 135, 159, 189, 265, 315, 353, 371, 477, 795, 945, 1059, 1113, 1431, 1765, 1855, 2385, 2471, 3177, 3339, 5295, 5565, 7155, 7413, 9531, 10017, 12355, 15885, 16695, 18709, 22239, 37065, 47655, 50085, 56127, 66717, 93545, 111195, 130963, 168381, 280635, 333585, 392889, 505143, 654815, 841905, 1178667, 1964445, 2525715, 3536001, 5893335, 17680005]

約数ペア:

[(1, 17680005), (3, 5893335), (5, 3536001), (7, 2525715), (9, 1964445), (15, 1178667), (21, 841905), (27, 654815), (35, 505143), (45, 392889), (53, 333585), (63, 280635), (105, 168381), (135, 130963), (159, 111195), (189, 93545), (265, 66717), (315, 56127), (353, 50085), (371, 47655), (477, 37065), (795, 22239), (945, 18709), (1059, 16695), (1113, 15885), (1431, 12355), (1765, 10017), (1855, 9531), (2385, 7413), (2471, 7155), (3177, 5565), (3339, 5295)]