28918275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 52077024

約数和(自身を除く): 23158749

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 425, 555, 613, 629, 925, 1275, 1839, 1887, 2775, 3065, 3145, 9195, 9435, 10421, 15325, 15725, 22681, 31263, 45975, 47175, 52105, 68043, 113405, 156315, 260525, 340215, 385577, 567025, 781575, 1156731, 1701075, 1927885, 5783655, 9639425, 28918275]

約数ペア:

[(1, 28918275), (3, 9639425), (5, 5783655), (15, 1927885), (17, 1701075), (25, 1156731), (37, 781575), (51, 567025), (75, 385577), (85, 340215), (111, 260525), (185, 156315), (255, 113405), (425, 68043), (555, 52105), (613, 47175), (629, 45975), (925, 31263), (1275, 22681), (1839, 15725), (1887, 15325), (2775, 10421), (3065, 9435), (3145, 9195)]