211239930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{640121}}^1$

素因数の和:640142

約数の個数: 32

約数和(自身を含む): 553065408

約数和(自身を除く): 341825478

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 640121, 1280242, 1920363, 3200605, 3840726, 6401210, 7041331, 9601815, 14082662, 19203630, 21123993, 35206655, 42247986, 70413310, 105619965, 211239930]

約数ペア:

[(1, 211239930), (2, 105619965), (3, 70413310), (5, 42247986), (6, 35206655), (10, 21123993), (11, 19203630), (15, 14082662), (22, 9601815), (30, 7041331), (33, 6401210), (55, 3840726), (66, 3200605), (110, 1920363), (165, 1280242), (330, 640121)]