3438981

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 6851520

約数和(自身を除く): 3412539

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 39, 51, 57, 63, 91, 117, 119, 133, 153, 169, 171, 221, 247, 273, 323, 357, 399, 507, 663, 741, 819, 969, 1071, 1183, 1197, 1521, 1547, 1729, 1989, 2223, 2261, 2873, 2907, 3211, 3549, 4199, 4641, 5187, 6783, 8619, 9633, 10647, 12597, 13923, 15561, 20111, 20349, 22477, 25857, 28899, 29393, 37791, 54587, 60333, 67431, 88179, 163761, 180999, 202293, 264537, 382109, 491283, 1146327, 3438981]

約数ペア:

[(1, 3438981), (3, 1146327), (7, 491283), (9, 382109), (13, 264537), (17, 202293), (19, 180999), (21, 163761), (39, 88179), (51, 67431), (57, 60333), (63, 54587), (91, 37791), (117, 29393), (119, 28899), (133, 25857), (153, 22477), (169, 20349), (171, 20111), (221, 15561), (247, 13923), (273, 12597), (323, 10647), (357, 9633), (399, 8619), (507, 6783), (663, 5187), (741, 4641), (819, 4199), (969, 3549), (1071, 3211), (1183, 2907), (1197, 2873), (1521, 2261), (1547, 2223), (1729, 1989)]