2021812245

素因数分解:

$3^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3533}}^1$

素因数の和:3713

約数の個数: 56

約数和(自身を含む): 3661803576

約数和(自身を除く): 1639991331

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 243, 405, 471, 729, 785, 1215, 1413, 2355, 3533, 3645, 4239, 7065, 10599, 12717, 17665, 21195, 31797, 38151, 52995, 63585, 95391, 114453, 158985, 190755, 286173, 476955, 554681, 572265, 858519, 1430865, 1664043, 2575557, 2773405, 4292595, 4992129, 8320215, 12877785, 14976387, 24960645, 44929161, 74881935, 134787483, 224645805, 404362449, 673937415, 2021812245]

約数ペア:

[(1, 2021812245), (3, 673937415), (5, 404362449), (9, 224645805), (15, 134787483), (27, 74881935), (45, 44929161), (81, 24960645), (135, 14976387), (157, 12877785), (243, 8320215), (405, 4992129), (471, 4292595), (729, 2773405), (785, 2575557), (1215, 1664043), (1413, 1430865), (2355, 858519), (3533, 572265), (3645, 554681), (4239, 476955), (7065, 286173), (10599, 190755), (12717, 158985), (17665, 114453), (21195, 95391), (31797, 63585), (38151, 52995)]