220263645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{123397}}^1$

素因数の和:123429

約数の個数: 32

約数和(自身を含む): 426463488

約数和(自身を除く): 206199843

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 123397, 370191, 616985, 863779, 1850955, 2097749, 2591337, 4318895, 6293247, 10488745, 12956685, 14684243, 31466235, 44052729, 73421215, 220263645]

約数ペア:

[(1, 220263645), (3, 73421215), (5, 44052729), (7, 31466235), (15, 14684243), (17, 12956685), (21, 10488745), (35, 6293247), (51, 4318895), (85, 2591337), (105, 2097749), (119, 1850955), (255, 863779), (357, 616985), (595, 370191), (1785, 123397)]