20171029125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{243391}}^1$

素因数の和:243439

約数の個数: 64

約数和(自身を含む): 38272905216

約数和(自身を除く): 18101876091

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 663, 975, 1105, 1275, 1625, 2125, 3315, 4875, 5525, 6375, 16575, 27625, 82875, 243391, 730173, 1216955, 3164083, 3650865, 4137647, 6084775, 9492249, 12412941, 15820415, 18254325, 20688235, 30423875, 47461245, 53789411, 62064705, 79102075, 91271625, 103441175, 161368233, 237306225, 268947055, 310323525, 395510375, 517205875, 806841165, 1186531125, 1344735275, 1551617625, 4034205825, 6723676375, 20171029125]

約数ペア:

[(1, 20171029125), (3, 6723676375), (5, 4034205825), (13, 1551617625), (15, 1344735275), (17, 1186531125), (25, 806841165), (39, 517205875), (51, 395510375), (65, 310323525), (75, 268947055), (85, 237306225), (125, 161368233), (195, 103441175), (221, 91271625), (255, 79102075), (325, 62064705), (375, 53789411), (425, 47461245), (663, 30423875), (975, 20688235), (1105, 18254325), (1275, 15820415), (1625, 12412941), (2125, 9492249), (3315, 6084775), (4875, 4137647), (5525, 3650865), (6375, 3164083), (16575, 1216955), (27625, 730173), (82875, 243391)]