180850815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 326944800

約数和(自身を除く): 146093985

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 139, 145, 261, 417, 435, 695, 997, 1251, 1305, 2085, 2991, 4031, 4985, 6255, 8973, 12093, 14955, 20155, 28913, 36279, 44865, 60465, 86739, 138583, 144565, 181395, 260217, 415749, 433695, 692915, 1247247, 1301085, 2078745, 4018907, 6236235, 12056721, 20094535, 36170163, 60283605, 180850815]

約数ペア:

[(1, 180850815), (3, 60283605), (5, 36170163), (9, 20094535), (15, 12056721), (29, 6236235), (45, 4018907), (87, 2078745), (139, 1301085), (145, 1247247), (261, 692915), (417, 433695), (435, 415749), (695, 260217), (997, 181395), (1251, 144565), (1305, 138583), (2085, 86739), (2991, 60465), (4031, 44865), (4985, 36279), (6255, 28913), (8973, 20155), (12093, 14955)]