81058725

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 164385312

約数和(自身を除く): 83326587

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 243, 275, 297, 405, 495, 675, 825, 891, 1213, 1215, 1485, 2025, 2475, 2673, 3639, 4455, 6065, 6075, 7425, 10917, 13343, 13365, 18195, 22275, 30325, 32751, 40029, 54585, 66715, 66825, 90975, 98253, 120087, 163755, 200145, 272925, 294759, 333575, 360261, 491265, 600435, 818775, 1000725, 1080783, 1473795, 1801305, 2456325, 3002175, 3242349, 5403915, 7368975, 9006525, 16211745, 27019575, 81058725]

約数ペア:

[(1, 81058725), (3, 27019575), (5, 16211745), (9, 9006525), (11, 7368975), (15, 5403915), (25, 3242349), (27, 3002175), (33, 2456325), (45, 1801305), (55, 1473795), (75, 1080783), (81, 1000725), (99, 818775), (135, 600435), (165, 491265), (225, 360261), (243, 333575), (275, 294759), (297, 272925), (405, 200145), (495, 163755), (675, 120087), (825, 98253), (891, 90975), (1213, 66825), (1215, 66715), (1485, 54585), (2025, 40029), (2475, 32751), (2673, 30325), (3639, 22275), (4455, 18195), (6065, 13365), (6075, 13343), (7425, 10917)]