28806525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 57335616

約数和(自身を除く): 28529091

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 103, 113, 165, 225, 275, 309, 339, 495, 515, 565, 825, 927, 1017, 1133, 1243, 1545, 1695, 2475, 2575, 2825, 3399, 3729, 4635, 5085, 5665, 6215, 7725, 8475, 10197, 11187, 11639, 16995, 18645, 23175, 25425, 28325, 31075, 34917, 50985, 55935, 58195, 84975, 93225, 104751, 128029, 174585, 254925, 279675, 290975, 384087, 523755, 640145, 872925, 1152261, 1920435, 2618775, 3200725, 5761305, 9602175, 28806525]

約数ペア:

[(1, 28806525), (3, 9602175), (5, 5761305), (9, 3200725), (11, 2618775), (15, 1920435), (25, 1152261), (33, 872925), (45, 640145), (55, 523755), (75, 384087), (99, 290975), (103, 279675), (113, 254925), (165, 174585), (225, 128029), (275, 104751), (309, 93225), (339, 84975), (495, 58195), (515, 55935), (565, 50985), (825, 34917), (927, 31075), (1017, 28325), (1133, 25425), (1243, 23175), (1545, 18645), (1695, 16995), (2475, 11639), (2575, 11187), (2825, 10197), (3399, 8475), (3729, 7725), (4635, 6215), (5085, 5665)]