262040235

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 426746880

約数和(自身を除く): 164706645

約数列:

[1, 3, 5, 15, 79, 237, 251, 395, 753, 881, 1185, 1255, 2643, 3765, 4405, 13215, 19829, 59487, 69599, 99145, 208797, 221131, 297435, 347995, 663393, 1043985, 1105655, 3316965, 17469349, 52408047, 87346745, 262040235]

約数ペア:

[(1, 262040235), (3, 87346745), (5, 52408047), (15, 17469349), (79, 3316965), (237, 1105655), (251, 1043985), (395, 663393), (753, 347995), (881, 297435), (1185, 221131), (1255, 208797), (2643, 99145), (3765, 69599), (4405, 59487), (13215, 19829)]