78285675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3491}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 145490688

約数和(自身を除く): 67205013

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 3491, 4485, 7475, 10473, 17455, 22425, 45383, 52365, 80293, 87275, 136149, 226915, 240879, 261825, 401465, 680745, 1043809, 1134575, 1204395, 2007325, 3131427, 3403725, 5219045, 6021975, 15657135, 26095225, 78285675]

約数ペア:

[(1, 78285675), (3, 26095225), (5, 15657135), (13, 6021975), (15, 5219045), (23, 3403725), (25, 3131427), (39, 2007325), (65, 1204395), (69, 1134575), (75, 1043809), (115, 680745), (195, 401465), (299, 261825), (325, 240879), (345, 226915), (575, 136149), (897, 87275), (975, 80293), (1495, 52365), (1725, 45383), (3491, 22425), (4485, 17455), (7475, 10473)]