128220165

素因数分解:

$3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1265

約数の個数: 56

約数和(自身を含む): 238842360

約数和(自身を除く): 110622195

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 729, 783, 1213, 1215, 1305, 2349, 3639, 3645, 3915, 6065, 7047, 10917, 11745, 18195, 21141, 32751, 35177, 35235, 54585, 98253, 105531, 105705, 163755, 175885, 294759, 316593, 491265, 527655, 884277, 949779, 1473795, 1582965, 2849337, 4421385, 4748895, 8548011, 14246685, 25644033, 42740055, 128220165]

約数ペア:

[(1, 128220165), (3, 42740055), (5, 25644033), (9, 14246685), (15, 8548011), (27, 4748895), (29, 4421385), (45, 2849337), (81, 1582965), (87, 1473795), (135, 949779), (145, 884277), (243, 527655), (261, 491265), (405, 316593), (435, 294759), (729, 175885), (783, 163755), (1213, 105705), (1215, 105531), (1305, 98253), (2349, 54585), (3639, 35235), (3645, 35177), (3915, 32751), (6065, 21141), (7047, 18195), (10917, 11745)]