15389865

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3931}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 28310400

約数和(自身を除く): 12920535

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 3931, 11793, 19655, 35379, 58965, 106137, 113999, 176895, 341997, 530685, 569995, 1025991, 1709985, 3077973, 5129955, 15389865]

約数ペア:

[(1, 15389865), (3, 5129955), (5, 3077973), (9, 1709985), (15, 1025991), (27, 569995), (29, 530685), (45, 341997), (87, 176895), (135, 113999), (145, 106137), (261, 58965), (435, 35379), (783, 19655), (1305, 11793), (3915, 3931)]