218391195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{30781}}^1$

素因数の和:30843

約数の個数: 32

約数和(自身を含む): 390069504

約数和(自身を除く): 171678309

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 7095, 30781, 92343, 153905, 338591, 461715, 1015773, 1323583, 1692955, 3970749, 5078865, 6617915, 14559413, 19853745, 43678239, 72797065, 218391195]

約数ペア:

[(1, 218391195), (3, 72797065), (5, 43678239), (11, 19853745), (15, 14559413), (33, 6617915), (43, 5078865), (55, 3970749), (129, 1692955), (165, 1323583), (215, 1015773), (473, 461715), (645, 338591), (1419, 153905), (2365, 92343), (7095, 30781)]