12139515

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 22621248

約数和(自身を除く): 10481733

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 317, 333, 345, 555, 851, 951, 1035, 1585, 1665, 2553, 2853, 4255, 4755, 7291, 7659, 11729, 12765, 14265, 21873, 35187, 36455, 38295, 58645, 65619, 105561, 109365, 175935, 269767, 328095, 527805, 809301, 1348835, 2427903, 4046505, 12139515]

約数ペア:

[(1, 12139515), (3, 4046505), (5, 2427903), (9, 1348835), (15, 809301), (23, 527805), (37, 328095), (45, 269767), (69, 175935), (111, 109365), (115, 105561), (185, 65619), (207, 58645), (317, 38295), (333, 36455), (345, 35187), (555, 21873), (851, 14265), (951, 12765), (1035, 11729), (1585, 7659), (1665, 7291), (2553, 4755), (2853, 4255)]