40859721

素因数分解:

$3^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 74626560

約数和(自身を除く): 33766839

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 157, 189, 243, 357, 459, 471, 567, 729, 1071, 1099, 1377, 1413, 1701, 2187, 2669, 3213, 3297, 4131, 4239, 5103, 8007, 9639, 9891, 12393, 12717, 15309, 18683, 24021, 28917, 29673, 37179, 38151, 56049, 72063, 86751, 89019, 114453, 168147, 216189, 260253, 267057, 343359, 504441, 648567, 801171, 1513323, 1945701, 2403513, 4539969, 5837103, 13619907, 40859721]

約数ペア:

[(1, 40859721), (3, 13619907), (7, 5837103), (9, 4539969), (17, 2403513), (21, 1945701), (27, 1513323), (51, 801171), (63, 648567), (81, 504441), (119, 343359), (153, 267057), (157, 260253), (189, 216189), (243, 168147), (357, 114453), (459, 89019), (471, 86751), (567, 72063), (729, 56049), (1071, 38151), (1099, 37179), (1377, 29673), (1413, 28917), (1701, 24021), (2187, 18683), (2669, 15309), (3213, 12717), (3297, 12393), (4131, 9891), (4239, 9639), (5103, 8007)]