64689585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^3$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 110766720

約数和(自身を除く): 46077135

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1159, 3477, 3721, 5795, 11163, 17385, 18605, 55815, 70699, 212097, 226981, 353495, 680943, 1060485, 1134905, 3404715, 4312639, 12937917, 21563195, 64689585]

約数ペア:

[(1, 64689585), (3, 21563195), (5, 12937917), (15, 4312639), (19, 3404715), (57, 1134905), (61, 1060485), (95, 680943), (183, 353495), (285, 226981), (305, 212097), (915, 70699), (1159, 55815), (3477, 18605), (3721, 17385), (5795, 11163)]