15661275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 30902784

約数和(自身を除く): 15241509

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1297, 1725, 2415, 3891, 4025, 6485, 9079, 12075, 19455, 27237, 29831, 32425, 45395, 89493, 97275, 136185, 149155, 208817, 226975, 447465, 626451, 680925, 745775, 1044085, 2237325, 3132255, 5220425, 15661275]

約数ペア:

[(1, 15661275), (3, 5220425), (5, 3132255), (7, 2237325), (15, 1044085), (21, 745775), (23, 680925), (25, 626451), (35, 447465), (69, 226975), (75, 208817), (105, 149155), (115, 136185), (161, 97275), (175, 89493), (345, 45395), (483, 32425), (525, 29831), (575, 27237), (805, 19455), (1297, 12075), (1725, 9079), (2415, 6485), (3891, 4025)]