247306635

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 458640000

約数和(自身を除く): 211333365

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 181, 261, 349, 435, 543, 783, 905, 1047, 1305, 1629, 1745, 2715, 3141, 3915, 4887, 5235, 5249, 8145, 9423, 10121, 15705, 15747, 24435, 26245, 30363, 47115, 47241, 50605, 63169, 78735, 91089, 141723, 151815, 189507, 236205, 273267, 315845, 455445, 568521, 708615, 947535, 1366335, 1705563, 1831901, 2842605, 5495703, 8527815, 9159505, 16487109, 27478515, 49461327, 82435545, 247306635]

約数ペア:

[(1, 247306635), (3, 82435545), (5, 49461327), (9, 27478515), (15, 16487109), (27, 9159505), (29, 8527815), (45, 5495703), (87, 2842605), (135, 1831901), (145, 1705563), (181, 1366335), (261, 947535), (349, 708615), (435, 568521), (543, 455445), (783, 315845), (905, 273267), (1047, 236205), (1305, 189507), (1629, 151815), (1745, 141723), (2715, 91089), (3141, 78735), (3915, 63169), (4887, 50605), (5235, 47241), (5249, 47115), (8145, 30363), (9423, 26245), (10121, 24435), (15705, 15747)]