81560466

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 196439040

約数和(自身を除く): 114878574

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 223, 234, 351, 446, 521, 669, 702, 1042, 1338, 1563, 2007, 2899, 3126, 4014, 4689, 5798, 6021, 6773, 8697, 9378, 12042, 13546, 14067, 17394, 20319, 26091, 28134, 40638, 52182, 60957, 78273, 116183, 121914, 156546, 182871, 232366, 348549, 365742, 697098, 1045647, 1510379, 2091294, 3020758, 3136941, 4531137, 6273882, 9062274, 13593411, 27186822, 40780233, 81560466]

約数ペア:

[(1, 81560466), (2, 40780233), (3, 27186822), (6, 13593411), (9, 9062274), (13, 6273882), (18, 4531137), (26, 3136941), (27, 3020758), (39, 2091294), (54, 1510379), (78, 1045647), (117, 697098), (223, 365742), (234, 348549), (351, 232366), (446, 182871), (521, 156546), (669, 121914), (702, 116183), (1042, 78273), (1338, 60957), (1563, 52182), (2007, 40638), (2899, 28134), (3126, 26091), (4014, 20319), (4689, 17394), (5798, 14067), (6021, 13546), (6773, 12042), (8697, 9378)]