198265815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23561}}^1$

素因数の和:23600

約数の個数: 48

約数和(自身を含む): 396972576

約数和(自身を除く): 198706761

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 8415, 23561, 70683, 117805, 212049, 259171, 353415, 400537, 777513, 1060245, 1201611, 1295855, 2002685, 2332539, 3604833, 3887565, 4405907, 6008055, 11662695, 13217721, 18024165, 22029535, 39653163, 66088605, 198265815]

約数ペア:

[(1, 198265815), (3, 66088605), (5, 39653163), (9, 22029535), (11, 18024165), (15, 13217721), (17, 11662695), (33, 6008055), (45, 4405907), (51, 3887565), (55, 3604833), (85, 2332539), (99, 2002685), (153, 1295855), (165, 1201611), (187, 1060245), (255, 777513), (495, 400537), (561, 353415), (765, 259171), (935, 212049), (1683, 117805), (2805, 70683), (8415, 23561)]