42478737

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 70698240

約数和(自身を除く): 28219503

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 227, 399, 469, 681, 931, 1273, 1407, 1589, 2793, 3283, 3819, 4313, 4767, 8911, 9849, 11123, 12939, 15209, 26733, 30191, 33369, 45627, 62377, 90573, 106463, 187131, 211337, 288971, 319389, 634011, 745241, 866913, 2022797, 2235723, 6068391, 14159579, 42478737]

約数ペア:

[(1, 42478737), (3, 14159579), (7, 6068391), (19, 2235723), (21, 2022797), (49, 866913), (57, 745241), (67, 634011), (133, 319389), (147, 288971), (201, 211337), (227, 187131), (399, 106463), (469, 90573), (681, 62377), (931, 45627), (1273, 33369), (1407, 30191), (1589, 26733), (2793, 15209), (3283, 12939), (3819, 11123), (4313, 9849), (4767, 8911)]