389849145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{2777}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 729658368

約数和(自身を除く): 339809223

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 191, 245, 573, 735, 955, 1337, 2777, 2865, 4011, 6685, 8331, 9359, 13885, 19439, 20055, 28077, 41655, 46795, 58317, 97195, 136073, 140385, 291585, 408219, 530407, 680365, 1591221, 2041095, 2652035, 3712849, 7956105, 11138547, 18564245, 25989943, 55692735, 77969829, 129949715, 389849145]

約数ペア:

[(1, 389849145), (3, 129949715), (5, 77969829), (7, 55692735), (15, 25989943), (21, 18564245), (35, 11138547), (49, 7956105), (105, 3712849), (147, 2652035), (191, 2041095), (245, 1591221), (573, 680365), (735, 530407), (955, 408219), (1337, 291585), (2777, 140385), (2865, 136073), (4011, 97195), (6685, 58317), (8331, 46795), (9359, 41655), (13885, 28077), (19439, 20055)]