81555306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{607}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 190469376

約数和(自身を除く): 108914070

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 457, 607, 914, 1214, 1371, 1821, 2742, 3199, 3642, 4249, 6398, 8498, 9597, 12747, 19194, 22393, 25494, 29743, 44786, 59486, 67179, 89229, 134358, 178458, 277399, 554798, 832197, 1664394, 1941793, 3883586, 5825379, 11650758, 13592551, 27185102, 40777653, 81555306]

約数ペア:

[(1, 81555306), (2, 40777653), (3, 27185102), (6, 13592551), (7, 11650758), (14, 5825379), (21, 3883586), (42, 1941793), (49, 1664394), (98, 832197), (147, 554798), (294, 277399), (457, 178458), (607, 134358), (914, 89229), (1214, 67179), (1371, 59486), (1821, 44786), (2742, 29743), (3199, 25494), (3642, 22393), (4249, 19194), (6398, 12747), (8498, 9597)]