72612729

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 128044800

約数和(自身を除く): 55432071

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 151, 153, 357, 449, 453, 1057, 1071, 1347, 1359, 2567, 3143, 3171, 4041, 7633, 7701, 9429, 9513, 17969, 22899, 23103, 28287, 53431, 53907, 67799, 68697, 160293, 161721, 203397, 474593, 480879, 610191, 1152583, 1423779, 3457749, 4271337, 8068081, 10373247, 24204243, 72612729]

約数ペア:

[(1, 72612729), (3, 24204243), (7, 10373247), (9, 8068081), (17, 4271337), (21, 3457749), (51, 1423779), (63, 1152583), (119, 610191), (151, 480879), (153, 474593), (357, 203397), (449, 161721), (453, 160293), (1057, 68697), (1071, 67799), (1347, 53907), (1359, 53431), (2567, 28287), (3143, 23103), (3171, 22899), (4041, 17969), (7633, 9513), (7701, 9429)]