16690725

素因数分解:

$3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 31148800

約数和(自身を除く): 14458075

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 135, 225, 237, 313, 395, 675, 711, 939, 1185, 1565, 1975, 2133, 2817, 3555, 4695, 5925, 7825, 8451, 10665, 14085, 17775, 23475, 24727, 42255, 53325, 70425, 74181, 123635, 211275, 222543, 370905, 618175, 667629, 1112715, 1854525, 3338145, 5563575, 16690725]

約数ペア:

[(1, 16690725), (3, 5563575), (5, 3338145), (9, 1854525), (15, 1112715), (25, 667629), (27, 618175), (45, 370905), (75, 222543), (79, 211275), (135, 123635), (225, 74181), (237, 70425), (313, 53325), (395, 42255), (675, 24727), (711, 23475), (939, 17775), (1185, 14085), (1565, 10665), (1975, 8451), (2133, 7825), (2817, 5925), (3555, 4695)]