66651075

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^2$

素因数の和:225

約数の個数: 54

約数和(自身を含む): 123645236

約数和(自身を除く): 56994161

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 83, 129, 215, 225, 249, 387, 415, 645, 747, 1075, 1245, 1935, 2075, 3225, 3569, 3735, 6225, 6889, 9675, 10707, 17845, 18675, 20667, 32121, 34445, 53535, 62001, 89225, 103335, 160605, 172225, 267675, 296227, 310005, 516675, 803025, 888681, 1481135, 1550025, 2666043, 4443405, 7405675, 13330215, 22217025, 66651075]

約数ペア:

[(1, 66651075), (3, 22217025), (5, 13330215), (9, 7405675), (15, 4443405), (25, 2666043), (43, 1550025), (45, 1481135), (75, 888681), (83, 803025), (129, 516675), (215, 310005), (225, 296227), (249, 267675), (387, 172225), (415, 160605), (645, 103335), (747, 89225), (1075, 62001), (1245, 53535), (1935, 34445), (2075, 32121), (3225, 20667), (3569, 18675), (3735, 17845), (6225, 10707), (6889, 9675)]