61894749

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 96307200

約数和(自身を除く): 34412451

約数列:

[1, 3, 7, 21, 131, 149, 151, 393, 447, 453, 917, 1043, 1057, 2751, 3129, 3171, 19519, 19781, 22499, 58557, 59343, 67497, 136633, 138467, 157493, 409899, 415401, 472479, 2947369, 8842107, 20631583, 61894749]

約数ペア:

[(1, 61894749), (3, 20631583), (7, 8842107), (21, 2947369), (131, 472479), (149, 415401), (151, 409899), (393, 157493), (447, 138467), (453, 136633), (917, 67497), (1043, 59343), (1057, 58557), (2751, 22499), (3129, 19781), (3171, 19519)]