81232785

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 145021968

約数和(自身を除く): 63789183

約数列:

[1, 3, 5, 9, 15, 45, 61, 101, 183, 293, 303, 305, 505, 549, 879, 909, 915, 1465, 1515, 2637, 2745, 4395, 4545, 6161, 13185, 17873, 18483, 29593, 30805, 53619, 55449, 88779, 89365, 92415, 147965, 160857, 266337, 268095, 277245, 443895, 804285, 1331685, 1805173, 5415519, 9025865, 16246557, 27077595, 81232785]

約数ペア:

[(1, 81232785), (3, 27077595), (5, 16246557), (9, 9025865), (15, 5415519), (45, 1805173), (61, 1331685), (101, 804285), (183, 443895), (293, 277245), (303, 268095), (305, 266337), (505, 160857), (549, 147965), (879, 92415), (909, 89365), (915, 88779), (1465, 55449), (1515, 53619), (2637, 30805), (2745, 29593), (4395, 18483), (4545, 17873), (6161, 13185)]