87161985

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 155467728

約数和(自身を除く): 68305743

約数列:

[1, 3, 5, 9, 15, 45, 61, 113, 183, 281, 305, 339, 549, 565, 843, 915, 1017, 1405, 1695, 2529, 2745, 4215, 5085, 6893, 12645, 17141, 20679, 31753, 34465, 51423, 62037, 85705, 95259, 103395, 154269, 158765, 257115, 285777, 310185, 476295, 771345, 1428885, 1936933, 5810799, 9684665, 17432397, 29053995, 87161985]

約数ペア:

[(1, 87161985), (3, 29053995), (5, 17432397), (9, 9684665), (15, 5810799), (45, 1936933), (61, 1428885), (113, 771345), (183, 476295), (281, 310185), (305, 285777), (339, 257115), (549, 158765), (565, 154269), (843, 103395), (915, 95259), (1017, 85705), (1405, 62037), (1695, 51423), (2529, 34465), (2745, 31753), (4215, 20679), (5085, 17141), (6893, 12645)]