25436025

素因数分解:

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

素因数の和:157

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 23310855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 79, 81, 135, 159, 225, 237, 243, 265, 395, 405, 477, 675, 711, 795, 1185, 1215, 1325, 1431, 1975, 2025, 2133, 2385, 3555, 3975, 4187, 4293, 5925, 6075, 6399, 7155, 10665, 11925, 12561, 12879, 17775, 19197, 20935, 21465, 31995, 35775, 37683, 53325, 62805, 64395, 95985, 104675, 107325, 113049, 159975, 188415, 314025, 321975, 339147, 479925, 565245, 942075, 1017441, 1695735, 2826225, 5087205, 8478675, 25436025]

約数ペア:

[(1, 25436025), (3, 8478675), (5, 5087205), (9, 2826225), (15, 1695735), (25, 1017441), (27, 942075), (45, 565245), (53, 479925), (75, 339147), (79, 321975), (81, 314025), (135, 188415), (159, 159975), (225, 113049), (237, 107325), (243, 104675), (265, 95985), (395, 64395), (405, 62805), (477, 53325), (675, 37683), (711, 35775), (795, 31995), (1185, 21465), (1215, 20935), (1325, 19197), (1431, 17775), (1975, 12879), (2025, 12561), (2133, 11925), (2385, 10665), (3555, 7155), (3975, 6399), (4187, 6075), (4293, 5925)]