31239135

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 58704480

約数和(自身を除く): 27465345

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 513, 641, 855, 1083, 1805, 1923, 2565, 3205, 3249, 5415, 5769, 9615, 9747, 12179, 16245, 17307, 28845, 36537, 48735, 60895, 86535, 109611, 182685, 231401, 328833, 548055, 694203, 1157005, 1644165, 2082609, 3471015, 6247827, 10413045, 31239135]

約数ペア:

[(1, 31239135), (3, 10413045), (5, 6247827), (9, 3471015), (15, 2082609), (19, 1644165), (27, 1157005), (45, 694203), (57, 548055), (95, 328833), (135, 231401), (171, 182685), (285, 109611), (361, 86535), (513, 60895), (641, 48735), (855, 36537), (1083, 28845), (1805, 17307), (1923, 16245), (2565, 12179), (3205, 9747), (3249, 9615), (5415, 5769)]