253475313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 437305344

約数和(自身を除く): 183830031

約数列:

[1, 3, 7, 13, 21, 31, 39, 61, 91, 93, 183, 217, 273, 403, 427, 491, 651, 793, 1209, 1281, 1473, 1891, 2379, 2821, 3437, 5551, 5673, 6383, 8463, 10311, 13237, 15221, 16653, 19149, 24583, 29951, 39711, 44681, 45663, 73749, 89853, 106547, 134043, 172081, 197873, 209657, 319641, 389363, 516243, 593619, 628971, 928481, 1168089, 1385111, 2725541, 2785443, 4155333, 6499367, 8176623, 12070253, 19498101, 36210759, 84491771, 253475313]

約数ペア:

[(1, 253475313), (3, 84491771), (7, 36210759), (13, 19498101), (21, 12070253), (31, 8176623), (39, 6499367), (61, 4155333), (91, 2785443), (93, 2725541), (183, 1385111), (217, 1168089), (273, 928481), (403, 628971), (427, 593619), (491, 516243), (651, 389363), (793, 319641), (1209, 209657), (1281, 197873), (1473, 172081), (1891, 134043), (2379, 106547), (2821, 89853), (3437, 73749), (5551, 45663), (5673, 44681), (6383, 39711), (8463, 29951), (10311, 24583), (13237, 19149), (15221, 16653)]