31325973

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 49437696

約数和(自身を除く): 18111723

約数列:

[1, 3, 7, 21, 43, 113, 129, 301, 307, 339, 791, 903, 921, 2149, 2373, 4859, 6447, 13201, 14577, 34013, 34691, 39603, 92407, 102039, 104073, 242837, 277221, 728511, 1491713, 4475139, 10441991, 31325973]

約数ペア:

[(1, 31325973), (3, 10441991), (7, 4475139), (21, 1491713), (43, 728511), (113, 277221), (129, 242837), (301, 104073), (307, 102039), (339, 92407), (791, 39603), (903, 34691), (921, 34013), (2149, 14577), (2373, 13201), (4859, 6447)]