78671655

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4133}}^1$

素因数の和:4197

約数の個数: 40

約数和(自身を含む): 144061632

約数和(自身を除く): 65389977

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 4133, 6345, 12399, 19035, 20665, 37197, 61995, 111591, 185985, 194251, 334773, 557955, 582753, 971255, 1673865, 1748259, 2913765, 5244777, 8741295, 15734331, 26223885, 78671655]

約数ペア:

[(1, 78671655), (3, 26223885), (5, 15734331), (9, 8741295), (15, 5244777), (27, 2913765), (45, 1748259), (47, 1673865), (81, 971255), (135, 582753), (141, 557955), (235, 334773), (405, 194251), (423, 185985), (705, 111591), (1269, 61995), (2115, 37197), (3807, 20665), (4133, 19035), (6345, 12399)]