38937915

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 70741440

約数和(自身を除く): 31803525

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 1217, 2133, 3555, 3651, 6085, 6399, 10665, 10953, 18255, 31995, 32859, 54765, 96143, 98577, 164295, 288429, 480715, 492885, 865287, 1442145, 2595861, 4326435, 7787583, 12979305, 38937915]

約数ペア:

[(1, 38937915), (3, 12979305), (5, 7787583), (9, 4326435), (15, 2595861), (27, 1442145), (45, 865287), (79, 492885), (81, 480715), (135, 288429), (237, 164295), (395, 98577), (405, 96143), (711, 54765), (1185, 32859), (1217, 31995), (2133, 18255), (3555, 10953), (3651, 10665), (6085, 6399)]