40311369

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 75759840

約数和(自身を除く): 35448471

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 171, 283, 323, 357, 399, 441, 833, 849, 931, 969, 1071, 1197, 1981, 2261, 2499, 2547, 2793, 2907, 4811, 5377, 5943, 6783, 7497, 8379, 13867, 14433, 15827, 16131, 17829, 20349, 33677, 37639, 41601, 43299, 47481, 48393, 91409, 101031, 112917, 124803, 142443, 235739, 263473, 274227, 303093, 338751, 639863, 707217, 790419, 822681, 1919589, 2121651, 2371257, 4479041, 5758767, 13437123, 40311369]

約数ペア:

[(1, 40311369), (3, 13437123), (7, 5758767), (9, 4479041), (17, 2371257), (19, 2121651), (21, 1919589), (49, 822681), (51, 790419), (57, 707217), (63, 639863), (119, 338751), (133, 303093), (147, 274227), (153, 263473), (171, 235739), (283, 142443), (323, 124803), (357, 112917), (399, 101031), (441, 91409), (833, 48393), (849, 47481), (931, 43299), (969, 41601), (1071, 37639), (1197, 33677), (1981, 20349), (2261, 17829), (2499, 16131), (2547, 15827), (2793, 14433), (2907, 13867), (4811, 8379), (5377, 7497), (5943, 6783)]