218014515

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{367}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 388996608

約数和(自身を除く): 170982093

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 307, 367, 387, 645, 921, 1101, 1535, 1835, 1935, 2763, 3303, 4605, 5505, 13201, 13815, 15781, 16515, 39603, 47343, 66005, 78905, 112669, 118809, 142029, 198015, 236715, 338007, 563345, 594045, 710145, 1014021, 1690035, 4844767, 5070105, 14534301, 24223835, 43602903, 72671505, 218014515]

約数ペア:

[(1, 218014515), (3, 72671505), (5, 43602903), (9, 24223835), (15, 14534301), (43, 5070105), (45, 4844767), (129, 1690035), (215, 1014021), (307, 710145), (367, 594045), (387, 563345), (645, 338007), (921, 236715), (1101, 198015), (1535, 142029), (1835, 118809), (1935, 112669), (2763, 78905), (3303, 66005), (4605, 47343), (5505, 39603), (13201, 16515), (13815, 15781)]