1640925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 96

約数和(自身を含む): 3749760

約数和(自身を除く): 2108835

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 25, 27, 33, 39, 45, 51, 55, 65, 75, 85, 99, 117, 135, 143, 153, 165, 187, 195, 221, 225, 255, 275, 297, 325, 351, 425, 429, 459, 495, 561, 585, 663, 675, 715, 765, 825, 935, 975, 1105, 1275, 1287, 1485, 1683, 1755, 1989, 2145, 2295, 2431, 2475, 2805, 2925, 3315, 3575, 3825, 3861, 4675, 5049, 5525, 5967, 6435, 7293, 7425, 8415, 8775, 9945, 10725, 11475, 12155, 14025, 16575, 19305, 21879, 25245, 29835, 32175, 36465, 42075, 49725, 60775, 65637, 96525, 109395, 126225, 149175, 182325, 328185, 546975, 1640925]

約数ペア:

[(1, 1640925), (3, 546975), (5, 328185), (9, 182325), (11, 149175), (13, 126225), (15, 109395), (17, 96525), (25, 65637), (27, 60775), (33, 49725), (39, 42075), (45, 36465), (51, 32175), (55, 29835), (65, 25245), (75, 21879), (85, 19305), (99, 16575), (117, 14025), (135, 12155), (143, 11475), (153, 10725), (165, 9945), (187, 8775), (195, 8415), (221, 7425), (225, 7293), (255, 6435), (275, 5967), (297, 5525), (325, 5049), (351, 4675), (425, 3861), (429, 3825), (459, 3575), (495, 3315), (561, 2925), (585, 2805), (663, 2475), (675, 2431), (715, 2295), (765, 2145), (825, 1989), (935, 1755), (975, 1683), (1105, 1485), (1275, 1287)]