139191975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2069}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 280294560

約数和(自身を除く): 141102585

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 2069, 2691, 2925, 4485, 5175, 6207, 7475, 10345, 13455, 18621, 22425, 26897, 31035, 47587, 51725, 67275, 80691, 93105, 134485, 142761, 155175, 237935, 242073, 403455, 428283, 465525, 618631, 672425, 713805, 1189675, 1210365, 1855893, 2017275, 2141415, 3093155, 3569025, 5567679, 6051825, 9279465, 10707075, 15465775, 27838395, 46397325, 139191975]

約数ペア:

[(1, 139191975), (3, 46397325), (5, 27838395), (9, 15465775), (13, 10707075), (15, 9279465), (23, 6051825), (25, 5567679), (39, 3569025), (45, 3093155), (65, 2141415), (69, 2017275), (75, 1855893), (115, 1210365), (117, 1189675), (195, 713805), (207, 672425), (225, 618631), (299, 465525), (325, 428283), (345, 403455), (575, 242073), (585, 237935), (897, 155175), (975, 142761), (1035, 134485), (1495, 93105), (1725, 80691), (2069, 67275), (2691, 51725), (2925, 47587), (4485, 31035), (5175, 26897), (6207, 22425), (7475, 18621), (10345, 13455)]