78489915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 152471808

約数和(自身を除く): 73981893

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 2415, 3381, 4643, 5635, 13929, 16905, 23215, 32501, 69645, 97503, 106789, 162505, 227507, 320367, 487515, 533945, 682521, 747523, 1137535, 1601835, 2242569, 3412605, 3737615, 5232661, 11212845, 15697983, 26163305, 78489915]

約数ペア:

[(1, 78489915), (3, 26163305), (5, 15697983), (7, 11212845), (15, 5232661), (21, 3737615), (23, 3412605), (35, 2242569), (49, 1601835), (69, 1137535), (105, 747523), (115, 682521), (147, 533945), (161, 487515), (245, 320367), (345, 227507), (483, 162505), (735, 106789), (805, 97503), (1127, 69645), (2415, 32501), (3381, 23215), (4643, 16905), (5635, 13929)]