1640757885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{205223}}^1$

素因数の和:205285

約数の個数: 32

約数和(自身を含む): 2896121088

約数和(自身を除く): 1255363203

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 205223, 615669, 1026115, 2667899, 3078345, 8003697, 8414143, 13339495, 25242429, 40018485, 42070715, 109383859, 126212145, 328151577, 546919295, 1640757885]

約数ペア:

[(1, 1640757885), (3, 546919295), (5, 328151577), (13, 126212145), (15, 109383859), (39, 42070715), (41, 40018485), (65, 25242429), (123, 13339495), (195, 8414143), (205, 8003697), (533, 3078345), (615, 2667899), (1599, 1026115), (2665, 615669), (7995, 205223)]