521123127

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{1553}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 866261760

約数和(自身を除く): 345138633

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 841, 1553, 1653, 2523, 3857, 4659, 5887, 10871, 11571, 15979, 17661, 29507, 32613, 45037, 47937, 88521, 111853, 135111, 206549, 315259, 335559, 619647, 855703, 945777, 1306073, 2567109, 3918219, 5989921, 9142511, 17969763, 24815387, 27427533, 74446161, 173707709, 521123127]

約数ペア:

[(1, 521123127), (3, 173707709), (7, 74446161), (19, 27427533), (21, 24815387), (29, 17969763), (57, 9142511), (87, 5989921), (133, 3918219), (203, 2567109), (399, 1306073), (551, 945777), (609, 855703), (841, 619647), (1553, 335559), (1653, 315259), (2523, 206549), (3857, 135111), (4659, 111853), (5887, 88521), (10871, 47937), (11571, 45037), (15979, 32613), (17661, 29507)]