42123585

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 79059456

約数和(自身を除く): 36935871

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 223, 245, 257, 669, 735, 771, 1115, 1285, 1561, 1799, 3345, 3855, 4683, 5397, 7805, 8995, 10927, 12593, 23415, 26985, 32781, 37779, 54635, 57311, 62965, 163905, 171933, 188895, 286555, 401177, 859665, 1203531, 2005885, 2808239, 6017655, 8424717, 14041195, 42123585]

約数ペア:

[(1, 42123585), (3, 14041195), (5, 8424717), (7, 6017655), (15, 2808239), (21, 2005885), (35, 1203531), (49, 859665), (105, 401177), (147, 286555), (223, 188895), (245, 171933), (257, 163905), (669, 62965), (735, 57311), (771, 54635), (1115, 37779), (1285, 32781), (1561, 26985), (1799, 23415), (3345, 12593), (3855, 10927), (4683, 8995), (5397, 7805)]