28928043

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 17036757

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 1259, 2553, 3777, 7659, 11331, 22977, 28957, 33993, 46583, 86871, 139749, 260613, 419247, 781839, 1071409, 1257741, 3214227, 9642681, 28928043]

約数ペア:

[(1, 28928043), (3, 9642681), (9, 3214227), (23, 1257741), (27, 1071409), (37, 781839), (69, 419247), (111, 260613), (207, 139749), (333, 86871), (621, 46583), (851, 33993), (999, 28957), (1259, 22977), (2553, 11331), (3777, 7659)]