4138407

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 7641088

約数和(自身を除く): 3502681

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 163, 217, 273, 279, 403, 489, 651, 819, 1141, 1209, 1467, 1953, 2119, 2821, 3423, 3627, 5053, 6357, 8463, 10269, 14833, 15159, 19071, 25389, 35371, 44499, 45477, 65689, 106113, 133497, 197067, 318339, 459823, 591201, 1379469, 4138407]

約数ペア:

[(1, 4138407), (3, 1379469), (7, 591201), (9, 459823), (13, 318339), (21, 197067), (31, 133497), (39, 106113), (63, 65689), (91, 45477), (93, 44499), (117, 35371), (163, 25389), (217, 19071), (273, 15159), (279, 14833), (403, 10269), (489, 8463), (651, 6357), (819, 5053), (1141, 3627), (1209, 3423), (1467, 2821), (1953, 2119)]