17380251

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 60

約数和(自身を含む): 31450320

約数和(自身を除く): 14070069

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 151, 189, 203, 261, 441, 453, 567, 609, 783, 1057, 1323, 1359, 1421, 1827, 2349, 3171, 3969, 4077, 4263, 4379, 5481, 7399, 9513, 12231, 12789, 13137, 16443, 22197, 28539, 30653, 38367, 39411, 66591, 85617, 91959, 115101, 118233, 199773, 214571, 275877, 354699, 599319, 643713, 827631, 1931139, 2482893, 5793417, 17380251]

約数ペア:

[(1, 17380251), (3, 5793417), (7, 2482893), (9, 1931139), (21, 827631), (27, 643713), (29, 599319), (49, 354699), (63, 275877), (81, 214571), (87, 199773), (147, 118233), (151, 115101), (189, 91959), (203, 85617), (261, 66591), (441, 39411), (453, 38367), (567, 30653), (609, 28539), (783, 22197), (1057, 16443), (1323, 13137), (1359, 12789), (1421, 12231), (1827, 9513), (2349, 7399), (3171, 5481), (3969, 4379), (4077, 4263)]