2957409

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 5521152

約数和(自身を除く): 2563743

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 157, 161, 207, 273, 299, 471, 483, 819, 897, 1099, 1413, 1449, 2041, 2093, 2691, 3297, 3611, 6123, 6279, 9891, 10833, 14287, 18369, 18837, 25277, 32499, 42861, 46943, 75831, 128583, 140829, 227493, 328601, 422487, 985803, 2957409]

約数ペア:

[(1, 2957409), (3, 985803), (7, 422487), (9, 328601), (13, 227493), (21, 140829), (23, 128583), (39, 75831), (63, 46943), (69, 42861), (91, 32499), (117, 25277), (157, 18837), (161, 18369), (207, 14287), (273, 10833), (299, 9891), (471, 6279), (483, 6123), (819, 3611), (897, 3297), (1099, 2691), (1413, 2093), (1449, 2041)]