2166255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 4831008

約数和(自身を除く): 2664753

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 35, 39, 45, 63, 65, 69, 91, 105, 115, 117, 161, 195, 207, 273, 299, 315, 345, 455, 483, 529, 585, 805, 819, 897, 1035, 1365, 1449, 1495, 1587, 2093, 2415, 2645, 2691, 3703, 4095, 4485, 4761, 6279, 6877, 7245, 7935, 10465, 11109, 13455, 18515, 18837, 20631, 23805, 31395, 33327, 34385, 48139, 55545, 61893, 94185, 103155, 144417, 166635, 240695, 309465, 433251, 722085, 2166255]

約数ペア:

[(1, 2166255), (3, 722085), (5, 433251), (7, 309465), (9, 240695), (13, 166635), (15, 144417), (21, 103155), (23, 94185), (35, 61893), (39, 55545), (45, 48139), (63, 34385), (65, 33327), (69, 31395), (91, 23805), (105, 20631), (115, 18837), (117, 18515), (161, 13455), (195, 11109), (207, 10465), (273, 7935), (299, 7245), (315, 6877), (345, 6279), (455, 4761), (483, 4485), (529, 4095), (585, 3703), (805, 2691), (819, 2645), (897, 2415), (1035, 2093), (1365, 1587), (1449, 1495)]