51351975

素因数分解:

$3^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 97493760

約数和(自身を除く): 46141785

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 81, 107, 135, 225, 237, 243, 321, 395, 405, 535, 675, 711, 963, 1185, 1215, 1605, 1975, 2025, 2133, 2675, 2889, 3555, 4815, 5925, 6075, 6399, 8025, 8453, 8667, 10665, 14445, 17775, 19197, 24075, 25359, 26001, 31995, 42265, 43335, 53325, 72225, 76077, 95985, 126795, 130005, 159975, 211325, 216675, 228231, 380385, 479925, 633975, 650025, 684693, 1141155, 1901925, 2054079, 3423465, 5705775, 10270395, 17117325, 51351975]

約数ペア:

[(1, 51351975), (3, 17117325), (5, 10270395), (9, 5705775), (15, 3423465), (25, 2054079), (27, 1901925), (45, 1141155), (75, 684693), (79, 650025), (81, 633975), (107, 479925), (135, 380385), (225, 228231), (237, 216675), (243, 211325), (321, 159975), (395, 130005), (405, 126795), (535, 95985), (675, 76077), (711, 72225), (963, 53325), (1185, 43335), (1215, 42265), (1605, 31995), (1975, 26001), (2025, 25359), (2133, 24075), (2675, 19197), (2889, 17775), (3555, 14445), (4815, 10665), (5925, 8667), (6075, 8453), (6399, 8025)]