39940695

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 72963072

約数和(自身を除く): 33022377

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 463, 639, 1065, 1215, 1389, 1917, 2315, 3195, 4167, 5751, 6945, 9585, 12501, 17253, 20835, 28755, 32873, 37503, 62505, 86265, 98619, 112509, 164365, 187515, 295857, 493095, 562545, 887571, 1479285, 2662713, 4437855, 7988139, 13313565, 39940695]

約数ペア:

[(1, 39940695), (3, 13313565), (5, 7988139), (9, 4437855), (15, 2662713), (27, 1479285), (45, 887571), (71, 562545), (81, 493095), (135, 295857), (213, 187515), (243, 164365), (355, 112509), (405, 98619), (463, 86265), (639, 62505), (1065, 37503), (1215, 32873), (1389, 28755), (1917, 20835), (2315, 17253), (3195, 12501), (4167, 9585), (5751, 6945)]