212680491555

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{1274719}}^1$

素因数の和:1274968

約数の個数: 48

約数和(自身を含む): 397590266880

約数和(自身を除く): 184909775325

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 227, 245, 681, 735, 1135, 1589, 3405, 4767, 7945, 11123, 23835, 33369, 55615, 166845, 1274719, 3824157, 6373595, 8923033, 19120785, 26769099, 44615165, 62461231, 133845495, 187383693, 289361213, 312306155, 868083639, 936918465, 1446806065, 2025528491, 4340418195, 6076585473, 10127642455, 14178699437, 30382927365, 42536098311, 70893497185, 212680491555]

約数ペア:

[(1, 212680491555), (3, 70893497185), (5, 42536098311), (7, 30382927365), (15, 14178699437), (21, 10127642455), (35, 6076585473), (49, 4340418195), (105, 2025528491), (147, 1446806065), (227, 936918465), (245, 868083639), (681, 312306155), (735, 289361213), (1135, 187383693), (1589, 133845495), (3405, 62461231), (4767, 44615165), (7945, 26769099), (11123, 19120785), (23835, 8923033), (33369, 6373595), (55615, 3824157), (166845, 1274719)]