142659975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 245118240

約数和(自身を除く): 102458265

約数列:

[1, 3, 5, 15, 25, 37, 75, 101, 111, 185, 303, 505, 509, 555, 925, 1515, 1527, 2525, 2545, 2775, 3737, 7575, 7635, 11211, 12725, 18685, 18833, 38175, 51409, 56055, 56499, 93425, 94165, 154227, 257045, 280275, 282495, 470825, 771135, 1285225, 1412475, 1902133, 3855675, 5706399, 9510665, 28531995, 47553325, 142659975]

約数ペア:

[(1, 142659975), (3, 47553325), (5, 28531995), (15, 9510665), (25, 5706399), (37, 3855675), (75, 1902133), (101, 1412475), (111, 1285225), (185, 771135), (303, 470825), (505, 282495), (509, 280275), (555, 257045), (925, 154227), (1515, 94165), (1527, 93425), (2525, 56499), (2545, 56055), (2775, 51409), (3737, 38175), (7575, 18833), (7635, 18685), (11211, 12725)]