173997999

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 299819520

約数和(自身を除く): 125821521

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 131, 203, 261, 393, 609, 727, 917, 1179, 1827, 2181, 2751, 3799, 5089, 6543, 8253, 11397, 15267, 21083, 26593, 34191, 45801, 63249, 79779, 95237, 147581, 189747, 239337, 285711, 442743, 666659, 857133, 1328229, 1999977, 2761873, 5999931, 8285619, 19333111, 24856857, 57999333, 173997999]

約数ペア:

[(1, 173997999), (3, 57999333), (7, 24856857), (9, 19333111), (21, 8285619), (29, 5999931), (63, 2761873), (87, 1999977), (131, 1328229), (203, 857133), (261, 666659), (393, 442743), (609, 285711), (727, 239337), (917, 189747), (1179, 147581), (1827, 95237), (2181, 79779), (2751, 63249), (3799, 45801), (5089, 34191), (6543, 26593), (8253, 21083), (11397, 15267)]