215976195

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 173212605

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 359, 435, 461, 1077, 1305, 1383, 1795, 2305, 3231, 4149, 5385, 6915, 10411, 13369, 16155, 20745, 31233, 40107, 52055, 66845, 93699, 120321, 156165, 165499, 200535, 468495, 496497, 601605, 827495, 1489491, 2482485, 4799471, 7447455, 14398413, 23997355, 43195239, 71992065, 215976195]

約数ペア:

[(1, 215976195), (3, 71992065), (5, 43195239), (9, 23997355), (15, 14398413), (29, 7447455), (45, 4799471), (87, 2482485), (145, 1489491), (261, 827495), (359, 601605), (435, 496497), (461, 468495), (1077, 200535), (1305, 165499), (1383, 156165), (1795, 120321), (2305, 93699), (3231, 66845), (4149, 52055), (5385, 40107), (6915, 31233), (10411, 20745), (13369, 16155)]