18030075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 34688256

約数和(自身を除く): 16658181

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 563, 915, 1281, 1525, 1689, 2135, 2815, 3941, 4575, 6405, 8445, 10675, 11823, 14075, 19705, 32025, 34343, 42225, 59115, 98525, 103029, 171715, 240401, 295575, 515145, 721203, 858575, 1202005, 2575725, 3606015, 6010025, 18030075]

約数ペア:

[(1, 18030075), (3, 6010025), (5, 3606015), (7, 2575725), (15, 1202005), (21, 858575), (25, 721203), (35, 515145), (61, 295575), (75, 240401), (105, 171715), (175, 103029), (183, 98525), (305, 59115), (427, 42225), (525, 34343), (563, 32025), (915, 19705), (1281, 14075), (1525, 11823), (1689, 10675), (2135, 8445), (2815, 6405), (3941, 4575)]