201251253

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{977}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 325603584

約数和(自身を除く): 124352331

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 577, 977, 1731, 2931, 4039, 6839, 9809, 12117, 16609, 20517, 29427, 49827, 68663, 116263, 205989, 348789, 563729, 1691187, 3946103, 9583393, 11838309, 28750179, 67083751, 201251253]

約数ペア:

[(1, 201251253), (3, 67083751), (7, 28750179), (17, 11838309), (21, 9583393), (51, 3946103), (119, 1691187), (357, 563729), (577, 348789), (977, 205989), (1731, 116263), (2931, 68663), (4039, 49827), (6839, 29427), (9809, 20517), (12117, 16609)]