780455007

素因数分解:

$3^7\times {\mathrm{157}}^1\times {\mathrm{2273}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 1178477760

約数和(自身を除く): 398022753

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 729, 1413, 2187, 2273, 4239, 6819, 12717, 20457, 38151, 61371, 114453, 184113, 343359, 356861, 552339, 1070583, 1657017, 3211749, 4971051, 9635247, 28905741, 86717223, 260151669, 780455007]

約数ペア:

[(1, 780455007), (3, 260151669), (9, 86717223), (27, 28905741), (81, 9635247), (157, 4971051), (243, 3211749), (471, 1657017), (729, 1070583), (1413, 552339), (2187, 356861), (2273, 343359), (4239, 184113), (6819, 114453), (12717, 61371), (20457, 38151)]