209439885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{11197}}^1$

素因数の和:11277

約数の個数: 32

約数和(自身を含む): 354752640

約数和(自身を除く): 145312755

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 6235, 11197, 18705, 33591, 55985, 167955, 324713, 481471, 974139, 1444413, 1623565, 2407355, 4870695, 7222065, 13962659, 41887977, 69813295, 209439885]

約数ペア:

[(1, 209439885), (3, 69813295), (5, 41887977), (15, 13962659), (29, 7222065), (43, 4870695), (87, 2407355), (129, 1623565), (145, 1444413), (215, 974139), (435, 481471), (645, 324713), (1247, 167955), (3741, 55985), (6235, 33591), (11197, 18705)]