28375227

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 18574533

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 227, 323, 387, 681, 731, 817, 969, 2043, 2193, 2451, 2907, 3859, 4313, 6579, 7353, 9761, 11577, 12939, 13889, 29283, 34731, 38817, 41667, 73321, 87849, 125001, 165937, 185459, 219963, 497811, 556377, 659889, 1493433, 1669131, 3152803, 9458409, 28375227]

約数ペア:

[(1, 28375227), (3, 9458409), (9, 3152803), (17, 1669131), (19, 1493433), (43, 659889), (51, 556377), (57, 497811), (129, 219963), (153, 185459), (171, 165937), (227, 125001), (323, 87849), (387, 73321), (681, 41667), (731, 38817), (817, 34731), (969, 29283), (2043, 13889), (2193, 12939), (2451, 11577), (2907, 9761), (3859, 7353), (4313, 6579)]