260253

素因数分解:

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

素因数の和:45

約数の個数: 32

約数和(自身を含む): 472320

約数和(自身を除く): 212067

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 729, 1071, 1377, 1701, 2187, 3213, 4131, 5103, 9639, 12393, 15309, 28917, 37179, 86751, 260253]

約数ペア:

[(1, 260253), (3, 86751), (7, 37179), (9, 28917), (17, 15309), (21, 12393), (27, 9639), (51, 5103), (63, 4131), (81, 3213), (119, 2187), (153, 1701), (189, 1377), (243, 1071), (357, 729), (459, 567)]