28556235

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 51300288

約数和(自身を除く): 22744053

約数列:

[1, 3, 5, 9, 15, 45, 61, 101, 103, 183, 303, 305, 309, 505, 515, 549, 909, 915, 927, 1515, 1545, 2745, 4545, 4635, 6161, 6283, 10403, 18483, 18849, 30805, 31209, 31415, 52015, 55449, 56547, 92415, 93627, 94245, 156045, 277245, 282735, 468135, 634583, 1903749, 3172915, 5711247, 9518745, 28556235]

約数ペア:

[(1, 28556235), (3, 9518745), (5, 5711247), (9, 3172915), (15, 1903749), (45, 634583), (61, 468135), (101, 282735), (103, 277245), (183, 156045), (303, 94245), (305, 93627), (309, 92415), (505, 56547), (515, 55449), (549, 52015), (909, 31415), (915, 31209), (927, 30805), (1515, 18849), (1545, 18483), (2745, 10403), (4545, 6283), (4635, 6161)]