205280406

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:731

約数の個数: 80

約数和(自身を含む): 491618160

約数和(自身を除く): 286337754

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 131, 153, 162, 262, 306, 393, 459, 569, 786, 918, 1138, 1179, 1377, 1707, 2227, 2358, 2754, 3414, 3537, 4454, 5121, 6681, 7074, 9673, 10242, 10611, 13362, 15363, 19346, 20043, 21222, 29019, 30726, 40086, 46089, 58038, 60129, 74539, 87057, 92178, 120258, 149078, 174114, 180387, 223617, 261171, 360774, 447234, 522342, 670851, 783513, 1267163, 1341702, 1567026, 2012553, 2534326, 3801489, 4025106, 6037659, 7602978, 11404467, 12075318, 22808934, 34213401, 68426802, 102640203, 205280406]

約数ペア:

[(1, 205280406), (2, 102640203), (3, 68426802), (6, 34213401), (9, 22808934), (17, 12075318), (18, 11404467), (27, 7602978), (34, 6037659), (51, 4025106), (54, 3801489), (81, 2534326), (102, 2012553), (131, 1567026), (153, 1341702), (162, 1267163), (262, 783513), (306, 670851), (393, 522342), (459, 447234), (569, 360774), (786, 261171), (918, 223617), (1138, 180387), (1179, 174114), (1377, 149078), (1707, 120258), (2227, 92178), (2358, 87057), (2754, 74539), (3414, 60129), (3537, 58038), (4454, 46089), (5121, 40086), (6681, 30726), (7074, 29019), (9673, 21222), (10242, 20043), (10611, 19346), (13362, 15363)]