71558571

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 117669888

約数和(自身を除く): 46111317

約数列:

[1, 3, 7, 21, 31, 41, 49, 93, 123, 147, 217, 287, 383, 651, 861, 1149, 1271, 1519, 2009, 2681, 3813, 4557, 6027, 8043, 8897, 11873, 15703, 18767, 26691, 35619, 47109, 56301, 62279, 83111, 109921, 186837, 249333, 329763, 486793, 581777, 769447, 1460379, 1745331, 2308341, 3407551, 10222653, 23852857, 71558571]

約数ペア:

[(1, 71558571), (3, 23852857), (7, 10222653), (21, 3407551), (31, 2308341), (41, 1745331), (49, 1460379), (93, 769447), (123, 581777), (147, 486793), (217, 329763), (287, 249333), (383, 186837), (651, 109921), (861, 83111), (1149, 62279), (1271, 56301), (1519, 47109), (2009, 35619), (2681, 26691), (3813, 18767), (4557, 15703), (6027, 11873), (8043, 8897)]