172257021

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{21433}}^1$

素因数の和:21505

約数の個数: 24

約数和(自身を含む): 267496320

約数和(自身を除く): 95239299

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 21433, 64299, 192897, 407227, 1007351, 1221681, 3022053, 3665043, 9066159, 19139669, 57419007, 172257021]

約数ペア:

[(1, 172257021), (3, 57419007), (9, 19139669), (19, 9066159), (47, 3665043), (57, 3022053), (141, 1221681), (171, 1007351), (423, 407227), (893, 192897), (2679, 64299), (8037, 21433)]