13781313

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 12023487

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 79, 91, 117, 189, 213, 237, 273, 351, 497, 553, 639, 711, 819, 923, 1027, 1491, 1659, 1917, 2133, 2457, 2769, 3081, 4473, 4977, 5609, 6461, 7189, 8307, 9243, 13419, 14931, 16827, 19383, 21567, 24921, 27729, 39263, 50481, 58149, 64701, 72917, 117789, 151443, 174447, 194103, 218751, 353367, 510419, 656253, 1060101, 1531257, 1968759, 4593771, 13781313]

約数ペア:

[(1, 13781313), (3, 4593771), (7, 1968759), (9, 1531257), (13, 1060101), (21, 656253), (27, 510419), (39, 353367), (63, 218751), (71, 194103), (79, 174447), (91, 151443), (117, 117789), (189, 72917), (213, 64701), (237, 58149), (273, 50481), (351, 39263), (497, 27729), (553, 24921), (639, 21567), (711, 19383), (819, 16827), (923, 14931), (1027, 13419), (1491, 9243), (1659, 8307), (1917, 7189), (2133, 6461), (2457, 5609), (2769, 4977), (3081, 4473)]