289301691

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 446709760

約数和(自身を除く): 157408069

約数列:

[1, 3, 7, 21, 163, 223, 379, 489, 669, 1137, 1141, 1561, 2653, 3423, 4683, 7959, 36349, 61777, 84517, 109047, 185331, 253551, 254443, 432439, 591619, 763329, 1297317, 1774857, 13776271, 41328813, 96433897, 289301691]

約数ペア:

[(1, 289301691), (3, 96433897), (7, 41328813), (21, 13776271), (163, 1774857), (223, 1297317), (379, 763329), (489, 591619), (669, 432439), (1137, 254443), (1141, 253551), (1561, 185331), (2653, 109047), (3423, 84517), (4683, 61777), (7959, 36349)]