215277885

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4987

約数の個数: 64

約数和(自身を含む): 426643200

約数和(自身を除く): 211365315

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 765, 855, 969, 1615, 2295, 2565, 2907, 4845, 4937, 8721, 14535, 14811, 24685, 43605, 44433, 74055, 83929, 93803, 133299, 222165, 251787, 281409, 419645, 469015, 666495, 755361, 844227, 1258935, 1407045, 1594651, 2266083, 2532681, 3776805, 4221135, 4783953, 7973255, 11330415, 12663405, 14351859, 23919765, 43055577, 71759295, 215277885]

約数ペア:

[(1, 215277885), (3, 71759295), (5, 43055577), (9, 23919765), (15, 14351859), (17, 12663405), (19, 11330415), (27, 7973255), (45, 4783953), (51, 4221135), (57, 3776805), (85, 2532681), (95, 2266083), (135, 1594651), (153, 1407045), (171, 1258935), (255, 844227), (285, 755361), (323, 666495), (459, 469015), (513, 419645), (765, 281409), (855, 251787), (969, 222165), (1615, 133299), (2295, 93803), (2565, 83929), (2907, 74055), (4845, 44433), (4937, 43605), (8721, 24685), (14535, 14811)]