1287775395

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2287}}^1$

素因数の和:2441

約数の個数: 64

約数和(自身を含む): 2367805440

約数和(自身を除く): 1080030045

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 97, 129, 135, 215, 291, 387, 485, 645, 873, 1161, 1455, 1935, 2287, 2619, 4171, 4365, 5805, 6861, 11435, 12513, 13095, 20583, 20855, 34305, 37539, 61749, 62565, 98341, 102915, 112617, 187695, 221839, 295023, 308745, 491705, 563085, 665517, 885069, 1109195, 1475115, 1996551, 2655207, 3327585, 4425345, 5989653, 9539077, 9982755, 13276035, 28617231, 29948265, 47695385, 85851693, 143086155, 257555079, 429258465, 1287775395]

約数ペア:

[(1, 1287775395), (3, 429258465), (5, 257555079), (9, 143086155), (15, 85851693), (27, 47695385), (43, 29948265), (45, 28617231), (97, 13276035), (129, 9982755), (135, 9539077), (215, 5989653), (291, 4425345), (387, 3327585), (485, 2655207), (645, 1996551), (873, 1475115), (1161, 1109195), (1455, 885069), (1935, 665517), (2287, 563085), (2619, 491705), (4171, 308745), (4365, 295023), (5805, 221839), (6861, 187695), (11435, 112617), (12513, 102915), (13095, 98341), (20583, 62565), (20855, 61749), (34305, 37539)]