2218725

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 4315200

約数和(自身を除く): 2096475

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 173, 225, 285, 475, 513, 519, 675, 855, 865, 1425, 1557, 2565, 2595, 3287, 4275, 4325, 4671, 7785, 9861, 12825, 12975, 16435, 23355, 29583, 38925, 49305, 82175, 88749, 116775, 147915, 246525, 443745, 739575, 2218725]

約数ペア:

[(1, 2218725), (3, 739575), (5, 443745), (9, 246525), (15, 147915), (19, 116775), (25, 88749), (27, 82175), (45, 49305), (57, 38925), (75, 29583), (95, 23355), (135, 16435), (171, 12975), (173, 12825), (225, 9861), (285, 7785), (475, 4671), (513, 4325), (519, 4275), (675, 3287), (855, 2595), (865, 2565), (1425, 1557)]