8239725

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:348

約数の個数: 60

約数和(自身を含む): 16489396

約数和(自身を除く): 8249671

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 313, 325, 351, 405, 585, 675, 939, 975, 1053, 1565, 1755, 2025, 2817, 2925, 4069, 4695, 5265, 7825, 8451, 8775, 12207, 14085, 20345, 23475, 25353, 26325, 36621, 42255, 61035, 70425, 101725, 109863, 126765, 183105, 211275, 305175, 329589, 549315, 633825, 915525, 1647945, 2746575, 8239725]

約数ペア:

[(1, 8239725), (3, 2746575), (5, 1647945), (9, 915525), (13, 633825), (15, 549315), (25, 329589), (27, 305175), (39, 211275), (45, 183105), (65, 126765), (75, 109863), (81, 101725), (117, 70425), (135, 61035), (195, 42255), (225, 36621), (313, 26325), (325, 25353), (351, 23475), (405, 20345), (585, 14085), (675, 12207), (939, 8775), (975, 8451), (1053, 7825), (1565, 5265), (1755, 4695), (2025, 4069), (2817, 2925)]