42878715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 75382272

約数和(自身を除く): 32503557

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 755, 1661, 1721, 2265, 4983, 5163, 8305, 8605, 18931, 24915, 25815, 56793, 94655, 259871, 283965, 779613, 1299355, 2858581, 3898065, 8575743, 14292905, 42878715]

約数ペア:

[(1, 42878715), (3, 14292905), (5, 8575743), (11, 3898065), (15, 2858581), (33, 1299355), (55, 779613), (151, 283965), (165, 259871), (453, 94655), (755, 56793), (1661, 25815), (1721, 24915), (2265, 18931), (4983, 8605), (5163, 8305)]