67178241

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 109120704

約数和(自身を除く): 41942463

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 131, 351, 393, 487, 1053, 1179, 1461, 1703, 3537, 4383, 5109, 6331, 10611, 13149, 15327, 18993, 39447, 45981, 56979, 63797, 137943, 170937, 191391, 512811, 574173, 829361, 1722519, 2488083, 5167557, 7464249, 22392747, 67178241]

約数ペア:

[(1, 67178241), (3, 22392747), (9, 7464249), (13, 5167557), (27, 2488083), (39, 1722519), (81, 829361), (117, 574173), (131, 512811), (351, 191391), (393, 170937), (487, 137943), (1053, 63797), (1179, 56979), (1461, 45981), (1703, 39447), (3537, 18993), (4383, 15327), (5109, 13149), (6331, 10611)]