31099887

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 58466304

約数和(自身を除く): 27366417

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 127, 161, 169, 207, 273, 299, 381, 483, 507, 819, 889, 897, 1143, 1183, 1449, 1521, 1651, 2093, 2667, 2691, 2921, 3549, 3887, 4953, 6279, 8001, 8763, 10647, 11557, 11661, 14859, 18837, 20447, 21463, 26289, 27209, 34671, 34983, 37973, 61341, 64389, 81627, 104013, 113919, 150241, 184023, 193167, 244881, 265811, 341757, 450723, 493649, 797433, 1352169, 1480947, 2392299, 3455543, 4442841, 10366629, 31099887]

約数ペア:

[(1, 31099887), (3, 10366629), (7, 4442841), (9, 3455543), (13, 2392299), (21, 1480947), (23, 1352169), (39, 797433), (63, 493649), (69, 450723), (91, 341757), (117, 265811), (127, 244881), (161, 193167), (169, 184023), (207, 150241), (273, 113919), (299, 104013), (381, 81627), (483, 64389), (507, 61341), (819, 37973), (889, 34983), (897, 34671), (1143, 27209), (1183, 26289), (1449, 21463), (1521, 20447), (1651, 18837), (2093, 14859), (2667, 11661), (2691, 11557), (2921, 10647), (3549, 8763), (3887, 8001), (4953, 6279)]