4387215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 8404992

約数和(自身を除く): 4017777

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 127, 141, 147, 235, 245, 329, 381, 635, 705, 735, 889, 987, 1645, 1905, 2303, 2667, 4445, 4935, 5969, 6223, 6909, 11515, 13335, 17907, 18669, 29845, 31115, 34545, 41783, 89535, 93345, 125349, 208915, 292481, 626745, 877443, 1462405, 4387215]

約数ペア:

[(1, 4387215), (3, 1462405), (5, 877443), (7, 626745), (15, 292481), (21, 208915), (35, 125349), (47, 93345), (49, 89535), (105, 41783), (127, 34545), (141, 31115), (147, 29845), (235, 18669), (245, 17907), (329, 13335), (381, 11515), (635, 6909), (705, 6223), (735, 5969), (889, 4935), (987, 4445), (1645, 2667), (1905, 2303)]