71866431

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1867}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 130550784

約数和(自身を除く): 58684353

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 819, 987, 1833, 1867, 2961, 4277, 5499, 5601, 12831, 13069, 16803, 24271, 38493, 39207, 72813, 87749, 117621, 169897, 218439, 263247, 509691, 614243, 789741, 1140737, 1529073, 1842729, 3422211, 5528187, 7985159, 10266633, 23955477, 71866431]

約数ペア:

[(1, 71866431), (3, 23955477), (7, 10266633), (9, 7985159), (13, 5528187), (21, 3422211), (39, 1842729), (47, 1529073), (63, 1140737), (91, 789741), (117, 614243), (141, 509691), (273, 263247), (329, 218439), (423, 169897), (611, 117621), (819, 87749), (987, 72813), (1833, 39207), (1867, 38493), (2961, 24271), (4277, 16803), (5499, 13069), (5601, 12831)]