131449725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 259170912

約数和(自身を除く): 127721187

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 173, 225, 275, 307, 495, 519, 825, 865, 921, 1535, 1557, 1903, 2475, 2595, 2763, 3377, 4325, 4605, 5709, 7675, 7785, 9515, 10131, 12975, 13815, 16885, 17127, 23025, 28545, 30393, 38925, 47575, 50655, 53111, 69075, 84425, 85635, 142725, 151965, 159333, 253275, 265555, 428175, 477999, 584221, 759825, 796665, 1327775, 1752663, 2389995, 2921105, 3983325, 5257989, 8763315, 11949975, 14605525, 26289945, 43816575, 131449725]

約数ペア:

[(1, 131449725), (3, 43816575), (5, 26289945), (9, 14605525), (11, 11949975), (15, 8763315), (25, 5257989), (33, 3983325), (45, 2921105), (55, 2389995), (75, 1752663), (99, 1327775), (165, 796665), (173, 759825), (225, 584221), (275, 477999), (307, 428175), (495, 265555), (519, 253275), (825, 159333), (865, 151965), (921, 142725), (1535, 85635), (1557, 84425), (1903, 69075), (2475, 53111), (2595, 50655), (2763, 47575), (3377, 38925), (4325, 30393), (4605, 28545), (5709, 23025), (7675, 17127), (7785, 16885), (9515, 13815), (10131, 12975)]