2189564265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2978999}}^1$

素因数の和:2979021

約数の個数: 24

約数和(自身を含む): 4075272000

約数和(自身を除く): 1885707735

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2978999, 8936997, 14894995, 20852993, 44684985, 62558979, 104264965, 145970951, 312794895, 437912853, 729854755, 2189564265]

約数ペア:

[(1, 2189564265), (3, 729854755), (5, 437912853), (7, 312794895), (15, 145970951), (21, 104264965), (35, 62558979), (49, 44684985), (105, 20852993), (147, 14894995), (245, 8936997), (735, 2978999)]