204515715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{4297}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 346590720

約数和(自身を除く): 142075005

約数列:

[1, 3, 5, 15, 19, 57, 95, 167, 285, 501, 835, 2505, 3173, 4297, 9519, 12891, 15865, 21485, 47595, 64455, 81643, 244929, 408215, 717599, 1224645, 2152797, 3587995, 10763985, 13634381, 40903143, 68171905, 204515715]

約数ペア:

[(1, 204515715), (3, 68171905), (5, 40903143), (15, 13634381), (19, 10763985), (57, 3587995), (95, 2152797), (167, 1224645), (285, 717599), (501, 408215), (835, 244929), (2505, 81643), (3173, 64455), (4297, 47595), (9519, 21485), (12891, 15865)]