521440983

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 963477504

約数和(自身を除く): 442036521

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 51, 63, 81, 119, 141, 153, 189, 329, 357, 423, 459, 567, 799, 987, 1071, 1151, 1269, 1377, 2397, 2961, 3213, 3453, 3807, 5593, 7191, 8057, 8883, 9639, 10359, 16779, 19567, 21573, 24171, 26649, 31077, 50337, 54097, 58701, 64719, 72513, 93231, 136969, 151011, 162291, 176103, 217539, 378679, 410907, 453033, 486873, 528309, 652617, 919649, 1136037, 1232721, 1460619, 1584927, 2758947, 3408111, 3698163, 4381857, 6437543, 8276841, 10224333, 11094489, 19312629, 24830523, 30672999, 57937887, 74491569, 173813661, 521440983]

約数ペア:

[(1, 521440983), (3, 173813661), (7, 74491569), (9, 57937887), (17, 30672999), (21, 24830523), (27, 19312629), (47, 11094489), (51, 10224333), (63, 8276841), (81, 6437543), (119, 4381857), (141, 3698163), (153, 3408111), (189, 2758947), (329, 1584927), (357, 1460619), (423, 1232721), (459, 1136037), (567, 919649), (799, 652617), (987, 528309), (1071, 486873), (1151, 453033), (1269, 410907), (1377, 378679), (2397, 217539), (2961, 176103), (3213, 162291), (3453, 151011), (3807, 136969), (5593, 93231), (7191, 72513), (8057, 64719), (8883, 58701), (9639, 54097), (10359, 50337), (16779, 31077), (19567, 26649), (21573, 24171)]