18277245

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{307}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 38342304

約数和(自身を除く): 20065059

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 307, 315, 405, 441, 567, 735, 921, 945, 1215, 1323, 1535, 1701, 2149, 2205, 2763, 2835, 3969, 4605, 6447, 6615, 8289, 8505, 10745, 11907, 13815, 15043, 19341, 19845, 24867, 32235, 41445, 45129, 58023, 59535, 74601, 75215, 96705, 124335, 135387, 174069, 225645, 290115, 373005, 406161, 522207, 676935, 870345, 1218483, 2030805, 2611035, 3655449, 6092415, 18277245]

約数ペア:

[(1, 18277245), (3, 6092415), (5, 3655449), (7, 2611035), (9, 2030805), (15, 1218483), (21, 870345), (27, 676935), (35, 522207), (45, 406161), (49, 373005), (63, 290115), (81, 225645), (105, 174069), (135, 135387), (147, 124335), (189, 96705), (243, 75215), (245, 74601), (307, 59535), (315, 58023), (405, 45129), (441, 41445), (567, 32235), (735, 24867), (921, 19845), (945, 19341), (1215, 15043), (1323, 13815), (1535, 11907), (1701, 10745), (2149, 8505), (2205, 8289), (2763, 6615), (2835, 6447), (3969, 4605)]