81991170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17863}}^1$

素因数の和:17896

約数の個数: 64

約数和(自身を含む): 231517440

約数和(自身を除く): 149526270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 17863, 35726, 53589, 89315, 107178, 160767, 178630, 267945, 303671, 321534, 482301, 535890, 607342, 803835, 911013, 964602, 1518355, 1607670, 1822026, 2411505, 2733039, 3036710, 4555065, 4823010, 5466078, 8199117, 9110130, 13665195, 16398234, 27330390, 40995585, 81991170]

約数ペア:

[(1, 81991170), (2, 40995585), (3, 27330390), (5, 16398234), (6, 13665195), (9, 9110130), (10, 8199117), (15, 5466078), (17, 4823010), (18, 4555065), (27, 3036710), (30, 2733039), (34, 2411505), (45, 1822026), (51, 1607670), (54, 1518355), (85, 964602), (90, 911013), (102, 803835), (135, 607342), (153, 535890), (170, 482301), (255, 321534), (270, 303671), (306, 267945), (459, 178630), (510, 160767), (765, 107178), (918, 89315), (1530, 53589), (2295, 35726), (4590, 17863)]