25779195

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 50816640

約数和(自身を除く): 25037445

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 333, 351, 397, 481, 555, 585, 999, 1191, 1443, 1665, 1755, 1985, 2405, 3573, 4329, 4995, 5161, 5955, 7215, 10719, 12987, 14689, 15483, 17865, 21645, 25805, 44067, 46449, 53595, 64935, 73445, 77415, 132201, 139347, 190957, 220335, 232245, 396603, 572871, 661005, 696735, 954785, 1718613, 1983015, 2864355, 5155839, 8593065, 25779195]

約数ペア:

[(1, 25779195), (3, 8593065), (5, 5155839), (9, 2864355), (13, 1983015), (15, 1718613), (27, 954785), (37, 696735), (39, 661005), (45, 572871), (65, 396603), (111, 232245), (117, 220335), (135, 190957), (185, 139347), (195, 132201), (333, 77415), (351, 73445), (397, 64935), (481, 53595), (555, 46449), (585, 44067), (999, 25805), (1191, 21645), (1443, 17865), (1665, 15483), (1755, 14689), (1985, 12987), (2405, 10719), (3573, 7215), (4329, 5955), (4995, 5161)]