409895283

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 635876352

約数和(自身を除く): 225981069

約数列:

[1, 3, 7, 21, 71, 213, 421, 497, 653, 1263, 1491, 1959, 2947, 4571, 8841, 13713, 29891, 46363, 89673, 139089, 209237, 274913, 324541, 627711, 824739, 973623, 1924391, 5773173, 19518823, 58556469, 136631761, 409895283]

約数ペア:

[(1, 409895283), (3, 136631761), (7, 58556469), (21, 19518823), (71, 5773173), (213, 1924391), (421, 973623), (497, 824739), (653, 627711), (1263, 324541), (1491, 274913), (1959, 209237), (2947, 139089), (4571, 89673), (8841, 46363), (13713, 29891)]