18443025

素因数分解:

$3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 15929775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 89, 135, 225, 267, 307, 445, 675, 801, 921, 1335, 1535, 2225, 2403, 2763, 4005, 4605, 6675, 7675, 8289, 12015, 13815, 20025, 23025, 27323, 41445, 60075, 69075, 81969, 136615, 207225, 245907, 409845, 683075, 737721, 1229535, 2049225, 3688605, 6147675, 18443025]

約数ペア:

[(1, 18443025), (3, 6147675), (5, 3688605), (9, 2049225), (15, 1229535), (25, 737721), (27, 683075), (45, 409845), (75, 245907), (89, 207225), (135, 136615), (225, 81969), (267, 69075), (307, 60075), (445, 41445), (675, 27323), (801, 23025), (921, 20025), (1335, 13815), (1535, 12015), (2225, 8289), (2403, 7675), (2763, 6675), (4005, 4605)]