38940825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{613}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 81008704

約数和(自身を除く): 42067879

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 525, 605, 613, 825, 847, 1155, 1815, 1839, 1925, 2541, 3025, 3065, 4235, 4291, 5775, 6743, 9075, 9195, 12705, 12873, 15325, 20229, 21175, 21455, 33715, 45975, 47201, 63525, 64365, 74173, 101145, 107275, 141603, 168575, 222519, 236005, 321825, 370865, 505725, 519211, 708015, 1112595, 1180025, 1557633, 1854325, 2596055, 3540075, 5562975, 7788165, 12980275, 38940825]

約数ペア:

[(1, 38940825), (3, 12980275), (5, 7788165), (7, 5562975), (11, 3540075), (15, 2596055), (21, 1854325), (25, 1557633), (33, 1180025), (35, 1112595), (55, 708015), (75, 519211), (77, 505725), (105, 370865), (121, 321825), (165, 236005), (175, 222519), (231, 168575), (275, 141603), (363, 107275), (385, 101145), (525, 74173), (605, 64365), (613, 63525), (825, 47201), (847, 45975), (1155, 33715), (1815, 21455), (1839, 21175), (1925, 20229), (2541, 15325), (3025, 12873), (3065, 12705), (4235, 9195), (4291, 9075), (5775, 6743)]