28355301

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 46715760

約数和(自身を除く): 18360459

約数列:

[1, 3, 9, 13, 29, 39, 61, 87, 117, 137, 183, 261, 377, 411, 549, 793, 1131, 1233, 1769, 1781, 2379, 3393, 3973, 5307, 5343, 7137, 8357, 11919, 15921, 16029, 22997, 25071, 35757, 51649, 68991, 75213, 108641, 154947, 206973, 242353, 325923, 464841, 727059, 977769, 2181177, 3150589, 9451767, 28355301]

約数ペア:

[(1, 28355301), (3, 9451767), (9, 3150589), (13, 2181177), (29, 977769), (39, 727059), (61, 464841), (87, 325923), (117, 242353), (137, 206973), (183, 154947), (261, 108641), (377, 75213), (411, 68991), (549, 51649), (793, 35757), (1131, 25071), (1233, 22997), (1769, 16029), (1781, 15921), (2379, 11919), (3393, 8357), (3973, 7137), (5307, 5343)]