12471858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 32220864

約数和(自身を除く): 19749006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 103, 126, 186, 206, 217, 279, 309, 434, 558, 618, 651, 721, 927, 961, 1302, 1442, 1854, 1922, 1953, 2163, 2883, 3193, 3906, 4326, 5766, 6386, 6489, 6727, 8649, 9579, 12978, 13454, 17298, 19158, 20181, 22351, 28737, 40362, 44702, 57474, 60543, 67053, 98983, 121086, 134106, 197966, 201159, 296949, 402318, 593898, 692881, 890847, 1385762, 1781694, 2078643, 4157286, 6235929, 12471858]

約数ペア:

[(1, 12471858), (2, 6235929), (3, 4157286), (6, 2078643), (7, 1781694), (9, 1385762), (14, 890847), (18, 692881), (21, 593898), (31, 402318), (42, 296949), (62, 201159), (63, 197966), (93, 134106), (103, 121086), (126, 98983), (186, 67053), (206, 60543), (217, 57474), (279, 44702), (309, 40362), (434, 28737), (558, 22351), (618, 20181), (651, 19158), (721, 17298), (927, 13454), (961, 12978), (1302, 9579), (1442, 8649), (1854, 6727), (1922, 6489), (1953, 6386), (2163, 5766), (2883, 4326), (3193, 3906)]