66884715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 127392720

約数和(自身を除く): 60508005

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 139, 153, 185, 255, 289, 333, 417, 555, 629, 695, 765, 867, 1251, 1445, 1665, 1887, 2085, 2363, 2601, 3145, 4335, 5143, 5661, 6255, 7089, 9435, 10693, 11815, 13005, 15429, 21267, 25715, 28305, 32079, 35445, 40171, 46287, 53465, 77145, 87431, 96237, 106335, 120513, 160395, 200855, 231435, 262293, 361539, 437155, 481185, 602565, 786879, 1311465, 1486327, 1807695, 3934395, 4458981, 7431635, 13376943, 22294905, 66884715]

約数ペア:

[(1, 66884715), (3, 22294905), (5, 13376943), (9, 7431635), (15, 4458981), (17, 3934395), (37, 1807695), (45, 1486327), (51, 1311465), (85, 786879), (111, 602565), (139, 481185), (153, 437155), (185, 361539), (255, 262293), (289, 231435), (333, 200855), (417, 160395), (555, 120513), (629, 106335), (695, 96237), (765, 87431), (867, 77145), (1251, 53465), (1445, 46287), (1665, 40171), (1887, 35445), (2085, 32079), (2363, 28305), (2601, 25715), (3145, 21267), (4335, 15429), (5143, 13005), (5661, 11815), (6255, 10693), (7089, 9435)]