71801235

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 143016192

約数和(自身を除く): 71214957

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 81, 99, 135, 165, 213, 227, 297, 355, 405, 495, 639, 681, 781, 891, 1065, 1135, 1485, 1917, 2043, 2343, 2497, 3195, 3405, 3905, 4455, 5751, 6129, 7029, 7491, 9585, 10215, 11715, 12485, 16117, 18387, 21087, 22473, 28755, 30645, 35145, 37455, 48351, 63261, 67419, 80585, 91935, 105435, 112365, 145053, 177287, 202257, 241755, 316305, 337095, 435159, 531861, 725265, 886435, 1011285, 1305477, 1595583, 2175795, 2659305, 4786749, 6527385, 7977915, 14360247, 23933745, 71801235]

約数ペア:

[(1, 71801235), (3, 23933745), (5, 14360247), (9, 7977915), (11, 6527385), (15, 4786749), (27, 2659305), (33, 2175795), (45, 1595583), (55, 1305477), (71, 1011285), (81, 886435), (99, 725265), (135, 531861), (165, 435159), (213, 337095), (227, 316305), (297, 241755), (355, 202257), (405, 177287), (495, 145053), (639, 112365), (681, 105435), (781, 91935), (891, 80585), (1065, 67419), (1135, 63261), (1485, 48351), (1917, 37455), (2043, 35145), (2343, 30645), (2497, 28755), (3195, 22473), (3405, 21087), (3905, 18387), (4455, 16117), (5751, 12485), (6129, 11715), (7029, 10215), (7491, 9585)]