3891825

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{353}}^1$

素因数の和:383

約数の個数: 54

約数和(自身を含む): 8131734

約数和(自身を除く): 4239909

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 353, 441, 525, 735, 1059, 1225, 1575, 1765, 2205, 2471, 3177, 3675, 5295, 7413, 8825, 11025, 12355, 15885, 17297, 22239, 26475, 37065, 51891, 61775, 79425, 86485, 111195, 155673, 185325, 259455, 432425, 555975, 778365, 1297275, 3891825]

約数ペア:

[(1, 3891825), (3, 1297275), (5, 778365), (7, 555975), (9, 432425), (15, 259455), (21, 185325), (25, 155673), (35, 111195), (45, 86485), (49, 79425), (63, 61775), (75, 51891), (105, 37065), (147, 26475), (175, 22239), (225, 17297), (245, 15885), (315, 12355), (353, 11025), (441, 8825), (525, 7413), (735, 5295), (1059, 3675), (1225, 3177), (1575, 2471), (1765, 2205)]