87874275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^3$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 157677408

約数和(自身を除く): 69803133

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 615, 697, 1025, 1275, 1681, 2091, 3075, 3485, 5043, 8405, 10455, 17425, 25215, 28577, 42025, 52275, 68921, 85731, 126075, 142885, 206763, 344605, 428655, 714425, 1033815, 1171657, 1723025, 2143275, 3514971, 5169075, 5858285, 17574855, 29291425, 87874275]

約数ペア:

[(1, 87874275), (3, 29291425), (5, 17574855), (15, 5858285), (17, 5169075), (25, 3514971), (41, 2143275), (51, 1723025), (75, 1171657), (85, 1033815), (123, 714425), (205, 428655), (255, 344605), (425, 206763), (615, 142885), (697, 126075), (1025, 85731), (1275, 68921), (1681, 52275), (2091, 42025), (3075, 28577), (3485, 25215), (5043, 17425), (8405, 10455)]