18424425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 32408640

約数和(自身を除く): 13984215

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 145, 197, 215, 435, 591, 645, 725, 985, 1075, 1247, 2175, 2955, 3225, 3741, 4925, 5713, 6235, 8471, 14775, 17139, 18705, 25413, 28565, 31175, 42355, 85695, 93525, 127065, 142825, 211775, 245659, 428475, 635325, 736977, 1228295, 3684885, 6141475, 18424425]

約数ペア:

[(1, 18424425), (3, 6141475), (5, 3684885), (15, 1228295), (25, 736977), (29, 635325), (43, 428475), (75, 245659), (87, 211775), (129, 142825), (145, 127065), (197, 93525), (215, 85695), (435, 42355), (591, 31175), (645, 28565), (725, 25413), (985, 18705), (1075, 17139), (1247, 14775), (2175, 8471), (2955, 6235), (3225, 5713), (3741, 4925)]