18286275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 35180288

約数和(自身を除く): 16894013

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 571, 915, 1281, 1525, 1713, 2135, 2855, 3997, 4575, 6405, 8565, 10675, 11991, 14275, 19985, 32025, 34831, 42825, 59955, 99925, 104493, 174155, 243817, 299775, 522465, 731451, 870775, 1219085, 2612325, 3657255, 6095425, 18286275]

約数ペア:

[(1, 18286275), (3, 6095425), (5, 3657255), (7, 2612325), (15, 1219085), (21, 870775), (25, 731451), (35, 522465), (61, 299775), (75, 243817), (105, 174155), (175, 104493), (183, 99925), (305, 59955), (427, 42825), (525, 34831), (571, 32025), (915, 19985), (1281, 14275), (1525, 11991), (1713, 10675), (2135, 8565), (2855, 6405), (3997, 4575)]