31212153

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 55201536

約数和(自身を除く): 23989383

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 151, 153, 193, 357, 453, 579, 1057, 1071, 1351, 1359, 1737, 2567, 3171, 3281, 4053, 7701, 9513, 9843, 12159, 17969, 22967, 23103, 29143, 29529, 53907, 68901, 87429, 161721, 204001, 206703, 262287, 495431, 612003, 1486293, 1836009, 3468017, 4458879, 10404051, 31212153]

約数ペア:

[(1, 31212153), (3, 10404051), (7, 4458879), (9, 3468017), (17, 1836009), (21, 1486293), (51, 612003), (63, 495431), (119, 262287), (151, 206703), (153, 204001), (193, 161721), (357, 87429), (453, 68901), (579, 53907), (1057, 29529), (1071, 29143), (1351, 23103), (1359, 22967), (1737, 17969), (2567, 12159), (3171, 9843), (3281, 9513), (4053, 7701)]