31823145

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 60848640

約数和(自身を除く): 29025495

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 111, 115, 135, 185, 207, 277, 333, 345, 555, 621, 831, 851, 999, 1035, 1385, 1665, 2493, 2553, 3105, 4155, 4255, 4995, 6371, 7479, 7659, 10249, 12465, 12765, 19113, 22977, 30747, 31855, 37395, 38295, 51245, 57339, 92241, 95565, 114885, 153735, 172017, 235727, 276723, 286695, 461205, 707181, 860085, 1178635, 1383615, 2121543, 3535905, 6364629, 10607715, 31823145]

約数ペア:

[(1, 31823145), (3, 10607715), (5, 6364629), (9, 3535905), (15, 2121543), (23, 1383615), (27, 1178635), (37, 860085), (45, 707181), (69, 461205), (111, 286695), (115, 276723), (135, 235727), (185, 172017), (207, 153735), (277, 114885), (333, 95565), (345, 92241), (555, 57339), (621, 51245), (831, 38295), (851, 37395), (999, 31855), (1035, 30747), (1385, 22977), (1665, 19113), (2493, 12765), (2553, 12465), (3105, 10249), (4155, 7659), (4255, 7479), (4995, 6371)]