18138045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 30248064

約数和(自身を除く): 12110019

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 461, 645, 915, 1383, 2305, 2623, 6915, 7869, 13115, 19823, 28121, 39345, 59469, 84363, 99115, 140605, 297345, 421815, 1209203, 3627609, 6046015, 18138045]

約数ペア:

[(1, 18138045), (3, 6046015), (5, 3627609), (15, 1209203), (43, 421815), (61, 297345), (129, 140605), (183, 99115), (215, 84363), (305, 59469), (461, 39345), (645, 28121), (915, 19823), (1383, 13115), (2305, 7869), (2623, 6915)]