16211745

素因数分解:

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

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 31816512

約数和(自身を除く): 15604767

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1213, 1215, 1485, 2673, 3639, 4455, 6065, 10917, 13343, 13365, 18195, 32751, 40029, 54585, 66715, 98253, 120087, 163755, 200145, 294759, 360261, 491265, 600435, 1080783, 1473795, 1801305, 3242349, 5403915, 16211745]

約数ペア:

[(1, 16211745), (3, 5403915), (5, 3242349), (9, 1801305), (11, 1473795), (15, 1080783), (27, 600435), (33, 491265), (45, 360261), (55, 294759), (81, 200145), (99, 163755), (135, 120087), (165, 98253), (243, 66715), (297, 54585), (405, 40029), (495, 32751), (891, 18195), (1213, 13365), (1215, 13343), (1485, 10917), (2673, 6065), (3639, 4455)]