26875215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 53155440

約数和(自身を除く): 26280225

約数列:

[1, 3, 5, 9, 15, 17, 19, 43, 45, 51, 57, 85, 95, 129, 153, 171, 215, 255, 285, 323, 387, 645, 731, 765, 817, 855, 969, 1615, 1849, 1935, 2193, 2451, 2907, 3655, 4085, 4845, 5547, 6579, 7353, 9245, 10965, 12255, 13889, 14535, 16641, 27735, 31433, 32895, 35131, 36765, 41667, 69445, 83205, 94299, 105393, 125001, 157165, 175655, 208335, 282897, 316179, 471495, 526965, 597227, 625005, 1414485, 1580895, 1791681, 2986135, 5375043, 8958405, 26875215]

約数ペア:

[(1, 26875215), (3, 8958405), (5, 5375043), (9, 2986135), (15, 1791681), (17, 1580895), (19, 1414485), (43, 625005), (45, 597227), (51, 526965), (57, 471495), (85, 316179), (95, 282897), (129, 208335), (153, 175655), (171, 157165), (215, 125001), (255, 105393), (285, 94299), (323, 83205), (387, 69445), (645, 41667), (731, 36765), (765, 35131), (817, 32895), (855, 31433), (969, 27735), (1615, 16641), (1849, 14535), (1935, 13889), (2193, 12255), (2451, 10965), (2907, 9245), (3655, 7353), (4085, 6579), (4845, 5547)]