31842135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 61663680

約数和(自身を除く): 29821545

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 79, 117, 159, 169, 195, 237, 265, 395, 477, 507, 585, 689, 711, 795, 845, 1027, 1185, 1521, 2067, 2385, 2535, 3081, 3445, 3555, 4187, 5135, 6201, 7605, 8957, 9243, 10335, 12561, 13351, 15405, 20935, 26871, 31005, 37683, 40053, 44785, 46215, 54431, 62805, 66755, 80613, 120159, 134355, 163293, 188415, 200265, 272155, 403065, 489879, 600795, 707603, 816465, 2122809, 2449395, 3538015, 6368427, 10614045, 31842135]

約数ペア:

[(1, 31842135), (3, 10614045), (5, 6368427), (9, 3538015), (13, 2449395), (15, 2122809), (39, 816465), (45, 707603), (53, 600795), (65, 489879), (79, 403065), (117, 272155), (159, 200265), (169, 188415), (195, 163293), (237, 134355), (265, 120159), (395, 80613), (477, 66755), (507, 62805), (585, 54431), (689, 46215), (711, 44785), (795, 40053), (845, 37683), (1027, 31005), (1185, 26871), (1521, 20935), (2067, 15405), (2385, 13351), (2535, 12561), (3081, 10335), (3445, 9243), (3555, 8957), (4187, 7605), (5135, 6201)]