222321825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2159

約数の個数: 72

約数和(自身を含む): 444718560

約数和(自身を除く): 222396735

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 275, 387, 473, 495, 645, 825, 1075, 1419, 1935, 2089, 2365, 2475, 3225, 4257, 6267, 7095, 9675, 10445, 11825, 18801, 21285, 22979, 31335, 35475, 52225, 68937, 89827, 94005, 106425, 114895, 156675, 206811, 269481, 344685, 449135, 470025, 574475, 808443, 988097, 1034055, 1347405, 1723425, 2245675, 2964291, 4042215, 4940485, 5170275, 6737025, 8892873, 14821455, 20211075, 24702425, 44464365, 74107275, 222321825]

約数ペア:

[(1, 222321825), (3, 74107275), (5, 44464365), (9, 24702425), (11, 20211075), (15, 14821455), (25, 8892873), (33, 6737025), (43, 5170275), (45, 4940485), (55, 4042215), (75, 2964291), (99, 2245675), (129, 1723425), (165, 1347405), (215, 1034055), (225, 988097), (275, 808443), (387, 574475), (473, 470025), (495, 449135), (645, 344685), (825, 269481), (1075, 206811), (1419, 156675), (1935, 114895), (2089, 106425), (2365, 94005), (2475, 89827), (3225, 68937), (4257, 52225), (6267, 35475), (7095, 31335), (9675, 22979), (10445, 21285), (11825, 18801)]