81964638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3083}}^1$

素因数の和:3309

約数の個数: 48

約数和(自身を含む): 203988096

約数和(自身を除く): 122023458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 1266, 1477, 1899, 2954, 3083, 3798, 4431, 6166, 8862, 9249, 13293, 18498, 21581, 26586, 27747, 43162, 55494, 64743, 129486, 194229, 388458, 650513, 1301026, 1951539, 3903078, 4553591, 5854617, 9107182, 11709234, 13660773, 27321546, 40982319, 81964638]

約数ペア:

[(1, 81964638), (2, 40982319), (3, 27321546), (6, 13660773), (7, 11709234), (9, 9107182), (14, 5854617), (18, 4553591), (21, 3903078), (42, 1951539), (63, 1301026), (126, 650513), (211, 388458), (422, 194229), (633, 129486), (1266, 64743), (1477, 55494), (1899, 43162), (2954, 27747), (3083, 26586), (3798, 21581), (4431, 18498), (6166, 13293), (8862, 9249)]