61964415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 119049840

約数和(自身を除く): 57085425

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 137, 171, 207, 285, 345, 411, 437, 529, 685, 855, 1035, 1233, 1311, 1587, 2055, 2185, 2603, 2645, 3151, 3933, 4761, 6165, 6555, 7809, 7935, 9453, 10051, 13015, 15755, 19665, 23427, 23805, 28359, 30153, 39045, 47265, 50255, 59869, 72473, 90459, 117135, 141795, 150765, 179607, 217419, 299345, 362365, 452295, 538821, 652257, 898035, 1087095, 1376987, 2694105, 3261285, 4130961, 6884935, 12392883, 20654805, 61964415]

約数ペア:

[(1, 61964415), (3, 20654805), (5, 12392883), (9, 6884935), (15, 4130961), (19, 3261285), (23, 2694105), (45, 1376987), (57, 1087095), (69, 898035), (95, 652257), (115, 538821), (137, 452295), (171, 362365), (207, 299345), (285, 217419), (345, 179607), (411, 150765), (437, 141795), (529, 117135), (685, 90459), (855, 72473), (1035, 59869), (1233, 50255), (1311, 47265), (1587, 39045), (2055, 30153), (2185, 28359), (2603, 23805), (2645, 23427), (3151, 19665), (3933, 15755), (4761, 13015), (6165, 10051), (6555, 9453), (7809, 7935)]