40420215

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 81265536

約数和(自身を除く): 40845321

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 81, 99, 129, 135, 165, 211, 215, 297, 387, 405, 473, 495, 633, 645, 891, 1055, 1161, 1419, 1485, 1899, 1935, 2321, 2365, 3165, 3483, 4257, 4455, 5697, 5805, 6963, 7095, 9073, 9495, 11605, 12771, 17091, 17415, 20889, 21285, 27219, 28485, 34815, 38313, 45365, 62667, 63855, 81657, 85455, 99803, 104445, 136095, 188001, 191565, 244971, 299409, 313335, 408285, 499015, 734913, 898227, 940005, 1224855, 1497045, 2694681, 3674565, 4491135, 8084043, 13473405, 40420215]

約数ペア:

[(1, 40420215), (3, 13473405), (5, 8084043), (9, 4491135), (11, 3674565), (15, 2694681), (27, 1497045), (33, 1224855), (43, 940005), (45, 898227), (55, 734913), (81, 499015), (99, 408285), (129, 313335), (135, 299409), (165, 244971), (211, 191565), (215, 188001), (297, 136095), (387, 104445), (405, 99803), (473, 85455), (495, 81657), (633, 63855), (645, 62667), (891, 45365), (1055, 38313), (1161, 34815), (1419, 28485), (1485, 27219), (1899, 21285), (1935, 20889), (2321, 17415), (2365, 17091), (3165, 12771), (3483, 11605), (4257, 9495), (4455, 9073), (5697, 7095), (5805, 6963)]