13256175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 23918112

約数和(自身を除く): 10661937

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 281, 425, 555, 629, 843, 925, 1275, 1405, 1887, 2775, 3145, 4215, 4777, 7025, 9435, 10397, 14331, 15725, 21075, 23885, 31191, 47175, 51985, 71655, 119425, 155955, 176749, 259925, 358275, 530247, 779775, 883745, 2651235, 4418725, 13256175]

約数ペア:

[(1, 13256175), (3, 4418725), (5, 2651235), (15, 883745), (17, 779775), (25, 530247), (37, 358275), (51, 259925), (75, 176749), (85, 155955), (111, 119425), (185, 71655), (255, 51985), (281, 47175), (425, 31191), (555, 23885), (629, 21075), (843, 15725), (925, 14331), (1275, 10397), (1405, 9435), (1887, 7025), (2775, 4777), (3145, 4215)]