1720724553

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 2832350976

約数和(自身を除く): 1111626423

約数列:

[1, 3, 9, 23, 27, 37, 53, 69, 81, 111, 157, 159, 207, 243, 333, 471, 477, 621, 851, 999, 1219, 1413, 1431, 1863, 1961, 2553, 2997, 3611, 3657, 4239, 4293, 5589, 5809, 5883, 7659, 8321, 8991, 10833, 10971, 12717, 12879, 17427, 17649, 22977, 24963, 32499, 32913, 38151, 45103, 52281, 52947, 68931, 74889, 97497, 98739, 133607, 135309, 156843, 158841, 191383, 206793, 224667, 292491, 296217, 307877, 400821, 405927, 470529, 476523, 574149, 674001, 877473, 923631, 1202463, 1217781, 1411587, 1722447, 2022003, 2770893, 3607389, 3653343, 5167341, 7081171, 8312679, 10822167, 10960029, 15502023, 21243513, 24938037, 32466501, 46506069, 63730539, 74814111, 191191617, 573574851, 1720724553]

約数ペア:

[(1, 1720724553), (3, 573574851), (9, 191191617), (23, 74814111), (27, 63730539), (37, 46506069), (53, 32466501), (69, 24938037), (81, 21243513), (111, 15502023), (157, 10960029), (159, 10822167), (207, 8312679), (243, 7081171), (333, 5167341), (471, 3653343), (477, 3607389), (621, 2770893), (851, 2022003), (999, 1722447), (1219, 1411587), (1413, 1217781), (1431, 1202463), (1863, 923631), (1961, 877473), (2553, 674001), (2997, 574149), (3611, 476523), (3657, 470529), (4239, 405927), (4293, 400821), (5589, 307877), (5809, 296217), (5883, 292491), (7659, 224667), (8321, 206793), (8991, 191383), (10833, 158841), (10971, 156843), (12717, 135309), (12879, 133607), (17427, 98739), (17649, 97497), (22977, 74889), (24963, 68931), (32499, 52947), (32913, 52281), (38151, 45103)]