121702905

素因数分解:

$3^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 56

約数和(自身を含む): 221371848

約数和(自身を除く): 99668943

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 193, 243, 405, 519, 579, 729, 865, 965, 1215, 1557, 1737, 2595, 2895, 3645, 4671, 5211, 7785, 8685, 14013, 15633, 23355, 26055, 33389, 42039, 46899, 70065, 78165, 100167, 126117, 140697, 166945, 210195, 234495, 300501, 500835, 630585, 703485, 901503, 1502505, 2704509, 4507515, 8113527, 13522545, 24340581, 40567635, 121702905]

約数ペア:

[(1, 121702905), (3, 40567635), (5, 24340581), (9, 13522545), (15, 8113527), (27, 4507515), (45, 2704509), (81, 1502505), (135, 901503), (173, 703485), (193, 630585), (243, 500835), (405, 300501), (519, 234495), (579, 210195), (729, 166945), (865, 140697), (965, 126117), (1215, 100167), (1557, 78165), (1737, 70065), (2595, 46899), (2895, 42039), (3645, 33389), (4671, 26055), (5211, 23355), (7785, 15633), (8685, 14013)]