90857745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 178454016

約数和(自身を除く): 87596271

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 191, 279, 341, 465, 495, 573, 955, 961, 1023, 1395, 1705, 1719, 2101, 2865, 2883, 3069, 4805, 5115, 5921, 6303, 8595, 8649, 10505, 10571, 14415, 15345, 17763, 18909, 29605, 31515, 31713, 43245, 52855, 53289, 65131, 88815, 94545, 95139, 158565, 183551, 195393, 266445, 325655, 475695, 550653, 586179, 917755, 976965, 1651959, 2019061, 2753265, 2930895, 6057183, 8259795, 10095305, 18171549, 30285915, 90857745]

約数ペア:

[(1, 90857745), (3, 30285915), (5, 18171549), (9, 10095305), (11, 8259795), (15, 6057183), (31, 2930895), (33, 2753265), (45, 2019061), (55, 1651959), (93, 976965), (99, 917755), (155, 586179), (165, 550653), (191, 475695), (279, 325655), (341, 266445), (465, 195393), (495, 183551), (573, 158565), (955, 95139), (961, 94545), (1023, 88815), (1395, 65131), (1705, 53289), (1719, 52855), (2101, 43245), (2865, 31713), (2883, 31515), (3069, 29605), (4805, 18909), (5115, 17763), (5921, 15345), (6303, 14415), (8595, 10571), (8649, 10505)]