638209065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{929}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 1111000320

約数和(自身を除く): 472791255

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 271, 507, 813, 845, 929, 1355, 2535, 2787, 3523, 4065, 4645, 10569, 12077, 13935, 17615, 36231, 45799, 52845, 60385, 137397, 157001, 181155, 228995, 251759, 471003, 686985, 755277, 785005, 1258795, 2355015, 3272867, 3776385, 9818601, 16364335, 42547271, 49093005, 127641813, 212736355, 638209065]

約数ペア:

[(1, 638209065), (3, 212736355), (5, 127641813), (13, 49093005), (15, 42547271), (39, 16364335), (65, 9818601), (169, 3776385), (195, 3272867), (271, 2355015), (507, 1258795), (813, 785005), (845, 755277), (929, 686985), (1355, 471003), (2535, 251759), (2787, 228995), (3523, 181155), (4065, 157001), (4645, 137397), (10569, 60385), (12077, 52845), (13935, 45799), (17615, 36231)]