16664895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 31685472

約数和(自身を除く): 15020577

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 467, 549, 585, 793, 915, 1401, 2335, 2379, 2745, 3965, 4203, 6071, 7005, 7137, 11895, 18213, 21015, 28487, 30355, 35685, 54639, 85461, 91065, 142435, 256383, 273195, 370331, 427305, 1110993, 1281915, 1851655, 3332979, 5554965, 16664895]

約数ペア:

[(1, 16664895), (3, 5554965), (5, 3332979), (9, 1851655), (13, 1281915), (15, 1110993), (39, 427305), (45, 370331), (61, 273195), (65, 256383), (117, 142435), (183, 91065), (195, 85461), (305, 54639), (467, 35685), (549, 30355), (585, 28487), (793, 21015), (915, 18213), (1401, 11895), (2335, 7137), (2379, 7005), (2745, 6071), (3965, 4203)]