9997715

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 15589728

約数和(自身を除く): 5592013

約数列:

[1, 5, 7, 13, 35, 43, 49, 65, 73, 91, 215, 245, 301, 365, 455, 511, 559, 637, 949, 1505, 2107, 2555, 2795, 3139, 3185, 3577, 3913, 4745, 6643, 10535, 15695, 17885, 19565, 21973, 27391, 33215, 40807, 46501, 109865, 136955, 153811, 204035, 232505, 285649, 769055, 1428245, 1999543, 9997715]

約数ペア:

[(1, 9997715), (5, 1999543), (7, 1428245), (13, 769055), (35, 285649), (43, 232505), (49, 204035), (65, 153811), (73, 136955), (91, 109865), (215, 46501), (245, 40807), (301, 33215), (365, 27391), (455, 21973), (511, 19565), (559, 17885), (637, 15695), (949, 10535), (1505, 6643), (2107, 4745), (2555, 3913), (2795, 3577), (3139, 3185)]