40173975

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 79213680

約数和(自身を除く): 39039705

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 389, 405, 425, 459, 675, 765, 1167, 1215, 1275, 1377, 1945, 2025, 2295, 3501, 3825, 4131, 5835, 6075, 6613, 6885, 9725, 10503, 11475, 17505, 19839, 20655, 29175, 31509, 33065, 34425, 52515, 59517, 87525, 94527, 99195, 103275, 157545, 165325, 178551, 262575, 297585, 472635, 495975, 535653, 787725, 892755, 1487925, 1606959, 2363175, 2678265, 4463775, 8034795, 13391325, 40173975]

約数ペア:

[(1, 40173975), (3, 13391325), (5, 8034795), (9, 4463775), (15, 2678265), (17, 2363175), (25, 1606959), (27, 1487925), (45, 892755), (51, 787725), (75, 535653), (81, 495975), (85, 472635), (135, 297585), (153, 262575), (225, 178551), (243, 165325), (255, 157545), (389, 103275), (405, 99195), (425, 94527), (459, 87525), (675, 59517), (765, 52515), (1167, 34425), (1215, 33065), (1275, 31509), (1377, 29175), (1945, 20655), (2025, 19839), (2295, 17505), (3501, 11475), (3825, 10503), (4131, 9725), (5835, 6885), (6075, 6613)]