18561015

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18763785

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 297, 319, 431, 435, 495, 783, 957, 1293, 1305, 1485, 1595, 2155, 2871, 3879, 3915, 4741, 4785, 6465, 8613, 11637, 12499, 14223, 14355, 19395, 23705, 37497, 42669, 43065, 58185, 62495, 71115, 112491, 128007, 137489, 187485, 213345, 337473, 412467, 562455, 640035, 687445, 1237401, 1687365, 2062335, 3712203, 6187005, 18561015]

約数ペア:

[(1, 18561015), (3, 6187005), (5, 3712203), (9, 2062335), (11, 1687365), (15, 1237401), (27, 687445), (29, 640035), (33, 562455), (45, 412467), (55, 337473), (87, 213345), (99, 187485), (135, 137489), (145, 128007), (165, 112491), (261, 71115), (297, 62495), (319, 58185), (431, 43065), (435, 42669), (495, 37497), (783, 23705), (957, 19395), (1293, 14355), (1305, 14223), (1485, 12499), (1595, 11637), (2155, 8613), (2871, 6465), (3879, 4785), (3915, 4741)]