28928115

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 23637645

約数列:

[1, 3, 5, 9, 15, 31, 45, 89, 93, 155, 233, 267, 279, 445, 465, 699, 801, 1165, 1335, 1395, 2097, 2759, 3495, 4005, 7223, 8277, 10485, 13795, 20737, 21669, 24831, 36115, 41385, 62211, 65007, 103685, 108345, 124155, 186633, 311055, 325035, 642847, 933165, 1928541, 3214235, 5785623, 9642705, 28928115]

約数ペア:

[(1, 28928115), (3, 9642705), (5, 5785623), (9, 3214235), (15, 1928541), (31, 933165), (45, 642847), (89, 325035), (93, 311055), (155, 186633), (233, 124155), (267, 108345), (279, 103685), (445, 65007), (465, 62211), (699, 41385), (801, 36115), (1165, 24831), (1335, 21669), (1395, 20737), (2097, 13795), (2759, 10485), (3495, 8277), (4005, 7223)]