385156905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{2039}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 720005760

約数和(自身を除く): 334848855

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 257, 735, 771, 1285, 1799, 2039, 3855, 5397, 6117, 8995, 10195, 12593, 14273, 26985, 30585, 37779, 42819, 62965, 71365, 99911, 188895, 214095, 299733, 499555, 524023, 1498665, 1572069, 2620115, 3668161, 7860345, 11004483, 18340805, 25677127, 55022415, 77031381, 128385635, 385156905]

約数ペア:

[(1, 385156905), (3, 128385635), (5, 77031381), (7, 55022415), (15, 25677127), (21, 18340805), (35, 11004483), (49, 7860345), (105, 3668161), (147, 2620115), (245, 1572069), (257, 1498665), (735, 524023), (771, 499555), (1285, 299733), (1799, 214095), (2039, 188895), (3855, 99911), (5397, 71365), (6117, 62965), (8995, 42819), (10195, 37779), (12593, 30585), (14273, 26985)]