391039245

素因数分解:

$3^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1605

約数の個数: 56

約数和(自身を含む): 713930112

約数和(自身を除く): 322890867

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 639, 729, 1065, 1215, 1511, 1917, 3195, 3645, 4533, 5751, 7555, 9585, 13599, 17253, 22665, 28755, 40797, 51759, 67995, 86265, 107281, 122391, 203985, 258795, 321843, 367173, 536405, 611955, 965529, 1101519, 1609215, 1835865, 2896587, 4827645, 5507595, 8689761, 14482935, 26069283, 43448805, 78207849, 130346415, 391039245]

約数ペア:

[(1, 391039245), (3, 130346415), (5, 78207849), (9, 43448805), (15, 26069283), (27, 14482935), (45, 8689761), (71, 5507595), (81, 4827645), (135, 2896587), (213, 1835865), (243, 1609215), (355, 1101519), (405, 965529), (639, 611955), (729, 536405), (1065, 367173), (1215, 321843), (1511, 258795), (1917, 203985), (3195, 122391), (3645, 107281), (4533, 86265), (5751, 67995), (7555, 51759), (9585, 40797), (13599, 28755), (17253, 22665)]