64801971

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 108388000

約数和(自身を除く): 43586029

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 349, 351, 529, 621, 897, 1047, 1587, 2691, 3141, 4537, 4761, 6877, 8027, 8073, 9423, 13611, 14283, 20631, 24081, 40833, 61893, 72243, 104351, 122499, 184621, 185679, 216729, 313053, 553863, 939159, 1661589, 2400073, 2817477, 4984767, 7200219, 21600657, 64801971]

約数ペア:

[(1, 64801971), (3, 21600657), (9, 7200219), (13, 4984767), (23, 2817477), (27, 2400073), (39, 1661589), (69, 939159), (117, 553863), (207, 313053), (299, 216729), (349, 185679), (351, 184621), (529, 122499), (621, 104351), (897, 72243), (1047, 61893), (1587, 40833), (2691, 24081), (3141, 20631), (4537, 14283), (4761, 13611), (6877, 9423), (8027, 8073)]