221694885

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{114571}}^1$

素因数の和:114625

約数の個数: 24

約数和(自身を含む): 393211104

約数和(自身を除く): 171516219

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 114571, 343713, 572855, 1031139, 1718565, 4926553, 5155695, 14779659, 24632765, 44338977, 73898295, 221694885]

約数ペア:

[(1, 221694885), (3, 73898295), (5, 44338977), (9, 24632765), (15, 14779659), (43, 5155695), (45, 4926553), (129, 1718565), (215, 1031139), (387, 572855), (645, 343713), (1935, 114571)]