520199379

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 872601600

約数和(自身を除く): 352402221

約数列:

[1, 3, 7, 9, 21, 63, 149, 151, 367, 447, 453, 1043, 1057, 1101, 1341, 1359, 2569, 3129, 3171, 3303, 7707, 9387, 9513, 22499, 23121, 54683, 55417, 67497, 157493, 164049, 166251, 202491, 382781, 387919, 472479, 492147, 498753, 1148343, 1163757, 1417437, 3445029, 3491271, 8257133, 24771399, 57799931, 74314197, 173399793, 520199379]

約数ペア:

[(1, 520199379), (3, 173399793), (7, 74314197), (9, 57799931), (21, 24771399), (63, 8257133), (149, 3491271), (151, 3445029), (367, 1417437), (447, 1163757), (453, 1148343), (1043, 498753), (1057, 492147), (1101, 472479), (1341, 387919), (1359, 382781), (2569, 202491), (3129, 166251), (3171, 164049), (3303, 157493), (7707, 67497), (9387, 55417), (9513, 54683), (22499, 23121)]