220138905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67631}}^1$

素因数の和:67677

約数の個数: 32

約数和(自身を含む): 415531008

約数和(自身を除く): 195392103

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 67631, 202893, 338155, 473417, 1014465, 1420251, 2096561, 2367085, 6289683, 7101255, 10482805, 14675927, 31448415, 44027781, 73379635, 220138905]

約数ペア:

[(1, 220138905), (3, 73379635), (5, 44027781), (7, 31448415), (15, 14675927), (21, 10482805), (31, 7101255), (35, 6289683), (93, 2367085), (105, 2096561), (155, 1420251), (217, 1014465), (465, 473417), (651, 338155), (1085, 202893), (3255, 67631)]