253996865421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{381509}}^1$

素因数の和:381965

約数の個数: 32

約数和(自身を含む): 374136174720

約数和(自身を除く): 120139309299

約数列:

[1, 3, 13, 39, 43, 129, 397, 559, 1191, 1677, 5161, 15483, 17071, 51213, 221923, 381509, 665769, 1144527, 4959617, 14878851, 16404887, 49214661, 151459073, 213263531, 454377219, 639790593, 1968967949, 5906903847, 6512740139, 19538220417, 84665621807, 253996865421]

約数ペア:

[(1, 253996865421), (3, 84665621807), (13, 19538220417), (39, 6512740139), (43, 5906903847), (129, 1968967949), (397, 639790593), (559, 454377219), (1191, 213263531), (1677, 151459073), (5161, 49214661), (15483, 16404887), (17071, 14878851), (51213, 4959617), (221923, 1144527), (381509, 665769)]