28274871

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 40578048

約数和(自身を除く): 12303177

約数列:

[1, 3, 41, 47, 67, 73, 123, 141, 201, 219, 1927, 2747, 2993, 3149, 3431, 4891, 5781, 8241, 8979, 9447, 10293, 14673, 129109, 140671, 200531, 229877, 387327, 422013, 601593, 689631, 9424957, 28274871]

約数ペア:

[(1, 28274871), (3, 9424957), (41, 689631), (47, 601593), (67, 422013), (73, 387327), (123, 229877), (141, 200531), (201, 140671), (219, 129109), (1927, 14673), (2747, 10293), (2993, 9447), (3149, 8979), (3431, 8241), (4891, 5781)]