25110405

素因数分解:

$3^6\times 5^1\times {\mathrm{83}}^2$

素因数の和:189

約数の個数: 42

約数和(自身を含む): 45728934

約数和(自身を除く): 20618529

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 243, 249, 405, 415, 729, 747, 1215, 1245, 2241, 3645, 3735, 6723, 6889, 11205, 20169, 20667, 33615, 34445, 60507, 62001, 100845, 103335, 186003, 302535, 310005, 558009, 930015, 1674027, 2790045, 5022081, 8370135, 25110405]

約数ペア:

[(1, 25110405), (3, 8370135), (5, 5022081), (9, 2790045), (15, 1674027), (27, 930015), (45, 558009), (81, 310005), (83, 302535), (135, 186003), (243, 103335), (249, 100845), (405, 62001), (415, 60507), (729, 34445), (747, 33615), (1215, 20667), (1245, 20169), (2241, 11205), (3645, 6889), (3735, 6723)]