220057551

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 374949120

約数和(自身を除く): 154891569

約数列:

[1, 3, 7, 9, 21, 59, 63, 73, 177, 219, 413, 511, 531, 657, 811, 1239, 1533, 2433, 3717, 4307, 4599, 5677, 7299, 12921, 17031, 30149, 38763, 47849, 51093, 59203, 90447, 143547, 177609, 271341, 334943, 414421, 430641, 532827, 1004829, 1243263, 3014487, 3492977, 3729789, 10478931, 24450839, 31436793, 73352517, 220057551]

約数ペア:

[(1, 220057551), (3, 73352517), (7, 31436793), (9, 24450839), (21, 10478931), (59, 3729789), (63, 3492977), (73, 3014487), (177, 1243263), (219, 1004829), (413, 532827), (511, 430641), (531, 414421), (657, 334943), (811, 271341), (1239, 177609), (1533, 143547), (2433, 90447), (3717, 59203), (4307, 51093), (4599, 47849), (5677, 38763), (7299, 30149), (12921, 17031)]