220131663

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 329915520

約数和(自身を除く): 109783857

約数列:

[1, 3, 19, 29, 43, 57, 87, 129, 163, 361, 489, 551, 817, 1083, 1247, 1653, 2451, 3097, 3741, 4727, 7009, 9291, 10469, 14181, 15523, 21027, 23693, 31407, 46569, 58843, 71079, 89813, 133171, 176529, 203261, 269439, 399513, 450167, 609783, 1350501, 1706447, 2530249, 3861959, 5119341, 7590747, 11585877, 73377221, 220131663]

約数ペア:

[(1, 220131663), (3, 73377221), (19, 11585877), (29, 7590747), (43, 5119341), (57, 3861959), (87, 2530249), (129, 1706447), (163, 1350501), (361, 609783), (489, 450167), (551, 399513), (817, 269439), (1083, 203261), (1247, 176529), (1653, 133171), (2451, 89813), (3097, 71079), (3741, 58843), (4727, 46569), (7009, 31407), (9291, 23693), (10469, 21027), (14181, 15523)]