28495965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 47978496

約数和(自身を除く): 19482531

約数列:

[1, 3, 5, 15, 23, 69, 115, 151, 345, 453, 547, 755, 1641, 2265, 2735, 3473, 8205, 10419, 12581, 17365, 37743, 52095, 62905, 82597, 188715, 247791, 412985, 1238955, 1899731, 5699193, 9498655, 28495965]

約数ペア:

[(1, 28495965), (3, 9498655), (5, 5699193), (15, 1899731), (23, 1238955), (69, 412985), (115, 247791), (151, 188715), (345, 82597), (453, 62905), (547, 52095), (755, 37743), (1641, 17365), (2265, 12581), (2735, 10419), (3473, 8205)]