1521673812

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{2777}}^1$

素因数の和:3309

約数の個数: 72

約数和(自身を含む): 3980051712

約数和(自身を除く): 2458377900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 491, 558, 982, 1116, 1473, 1964, 2777, 2946, 4419, 5554, 5892, 8331, 8838, 11108, 15221, 16662, 17676, 24993, 30442, 33324, 45663, 49986, 60884, 86087, 91326, 99972, 136989, 172174, 182652, 258261, 273978, 344348, 516522, 547956, 774783, 1033044, 1363507, 1549566, 2727014, 3099132, 4090521, 5454028, 8181042, 12271563, 16362084, 24543126, 42268717, 49086252, 84537434, 126806151, 169074868, 253612302, 380418453, 507224604, 760836906, 1521673812]

約数ペア:

[(1, 1521673812), (2, 760836906), (3, 507224604), (4, 380418453), (6, 253612302), (9, 169074868), (12, 126806151), (18, 84537434), (31, 49086252), (36, 42268717), (62, 24543126), (93, 16362084), (124, 12271563), (186, 8181042), (279, 5454028), (372, 4090521), (491, 3099132), (558, 2727014), (982, 1549566), (1116, 1363507), (1473, 1033044), (1964, 774783), (2777, 547956), (2946, 516522), (4419, 344348), (5554, 273978), (5892, 258261), (8331, 182652), (8838, 172174), (11108, 136989), (15221, 99972), (16662, 91326), (17676, 86087), (24993, 60884), (30442, 49986), (33324, 45663)]